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2018-10-16perf tools: Fix use of alternatives to find JDIRJarod Wilson
When a build is run from something like a cron job, the user's $PATH is rather minimal, of note, not including /usr/sbin in my own case. Because of that, an automated rpm package build ultimately fails to find libperf-jvmti.so, because somewhere within the build, this happens... /bin/sh: alternatives: command not found /bin/sh: alternatives: command not found Makefile.config:849: No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel ...and while the build continues, libperf-jvmti.so isn't built, and things fall down when rpm tries to find all the %files specified. Exact same system builds everything just fine when the job is launched from a login shell instead of a cron job, since alternatives is in $PATH, so openjdk is actually found. The test required to get into this section of code actually specifies the full path, as does a block just above it, so let's do that here too. Signed-off-by: Jarod Wilson <jarod@redhat.com> Acked-by: Jiri Olsa <jolsa@redhat.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Cc: William Cohen <wcohen@redhat.com> Fixes: d4dfdf00d43e ("perf jvmti: Plug compilation into perf build") Link: http://lkml.kernel.org/r/20180906221812.11167-1-jarod@redhat.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-10-16perf evsel: Store ids for events with their own cpus ↵Jiri Olsa
perf_event__synthesize_event_update_cpus John reported crash when recording on an event under PMU with cpumask defined: root@localhost:~# ./perf_debug_ record -e armv8_pmuv3_0/br_mis_pred/ sleep 1 perf: Segmentation fault Obtained 9 stack frames. ./perf_debug_() [0x4c5ef8] [0xffff82ba267c] ./perf_debug_() [0x4bc5a8] ./perf_debug_() [0x419550] ./perf_debug_() [0x41a928] ./perf_debug_() [0x472f58] ./perf_debug_() [0x473210] ./perf_debug_() [0x4070f4] /lib/aarch64-linux-gnu/libc.so.6(__libc_start_main+0xe0) [0xffff8294c8a0] Segmentation fault (core dumped) We synthesize an update event that needs to touch the evsel id array, which is not defined at that time. Fixing this by forcing the id allocation for events with their own cpus. Reported-by: John Garry <john.garry@huawei.com> Signed-off-by: Jiri Olsa <jolsa@kernel.org> Tested-by: John Garry <john.garry@huawei.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Will Deacon <will.deacon@arm.com> Cc: linux-arm-kernel@lists.infradead.org Cc: linuxarm@huawei.com Fixes: bfd8f72c2778 ("perf record: Synthesize unit/scale/... in event update") Link: http://lkml.kernel.org/r/20181003212052.GA32371@krava Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-10-11perf vendor events intel: Fix wrong filter_band* values for uncore eventsJiri Olsa
Michael reported that he could not stat following event: $ perf stat -e unc_p_freq_ge_1200mhz_cycles -a -- ls event syntax error: '..e_1200mhz_cycles' \___ value too big for format, maximum is 255 Run 'perf list' for a list of valid events The event is unwrapped into: uncore_pcu/event=0xb,filter_band0=1200/ where filter_band0 format says it's one byte only: # cat uncore_pcu/format/filter_band0 config1:0-7 while JSON files specifies bigger number: "Filter": "filter_band0=1200", all the filter_band* formats show 1 byte width: # cat uncore_pcu/format/filter_band1 config1:8-15 # cat uncore_pcu/format/filter_band2 config1:16-23 # cat uncore_pcu/format/filter_band3 config1:24-31 The reason of the issue is that filter_band* values are supposed to be in 100Mhz units.. it's stated in the JSON help for the events, like: filter_band3=XXX, with XXX in 100Mhz units This patch divides the filter_band* values by 100, plus there's couple of changes that actually change the number completely, like: - "Filter": "edge=1,filter_band2=4000", + "Filter": "edge=1,filter_band2=30", Reported-by: Michael Petlan <mpetlan@redhat.com> Signed-off-by: Jiri Olsa <jolsa@kernel.org> Acked-by: Andi Kleen <ak@linux.intel.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Kan Liang <kan.liang@linux.intel.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20181010080339.GB15790@krava Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-10-09Revert "perf tools: Fix PMU term format max value calculation"Jiri Olsa
This reverts commit ac0e2cd555373ae6f8f3a3ad3fbbf5b6d1e7aaaa. Michael reported an issue with oversized terms values assignment and I noticed there was actually a misunderstanding of the max value check in the past. The above commit's changelog says: If bit 21 is set, there is parsing issues as below. $ perf stat -a -e uncore_qpi_0/event=0x200002,umask=0x8/ event syntax error: '..pi_0/event=0x200002,umask=0x8/' \___ value too big for format, maximum is 511 But there's no issue there, because the event value is distributed along the value defined by the format. Even if the format defines separated bit, the value is treated as a continual number, which should follow the format definition. In above case it's 9-bit value with last bit separated: $ cat uncore_qpi_0/format/event config:0-7,21 Hence the value 0x200002 is correctly reported as format violation, because it exceeds 9 bits. It should have been 0x102 instead, which sets the 9th bit - the bit 21 of the format. $ perf stat -vv -a -e uncore_qpi_0/event=0x102,umask=0x8/ Using CPUID GenuineIntel-6-2D ... ------------------------------------------------------------ perf_event_attr: type 10 size 112 config 0x200802 sample_type IDENTIFIER ... Reported-by: Michael Petlan <mpetlan@redhat.com> Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Kan Liang <kan.liang@linux.intel.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Fixes: ac0e2cd55537 ("perf tools: Fix PMU term format max value calculation") Link: http://lkml.kernel.org/r/20181003072046.29276-1-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-10-09Merge tag 'perf-core-for-mingo-4.20-20181008' of ↵Ingo Molnar
git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core Pull perf/core improvements and fixes from Arnaldo Carvalho de Melo: - Fix building the python bindings with python3, which fixes some problems with building with clang on Clear Linux (Eduardo Habkost) - Fix coverity warnings, fixing up some error paths and plugging some temporary small buffer leaks (Sanskriti Sharma) - Adopt a wrapper for strerror_r() for the same reasons as recently for libbpf (Steven Rostedt) - S390 does not support watchpoints in perf test 22', check if that test is supported by the arch. (Thomas Richter) Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Ingo Molnar <mingo@kernel.org>
2018-10-09Merge branch 'perf/urgent' into perf/core, to pick up fixesIngo Molnar
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2018-10-09Merge remote-tracking branch 'remotes/powerpc/topic/ppc-kvm' into kvm-ppc-nextPaul Mackerras
This merges in the "ppc-kvm" topic branch of the powerpc tree to get a series of commits that touch both general arch/powerpc code and KVM code. These commits will be merged both via the KVM tree and the powerpc tree. Signed-off-by: Paul Mackerras <paulus@ozlabs.org>
2018-10-09KVM: PPC: Book3S: Simplify external interrupt handlingPaul Mackerras
Currently we use two bits in the vcpu pending_exceptions bitmap to indicate that an external interrupt is pending for the guest, one for "one-shot" interrupts that are cleared when delivered, and one for interrupts that persist until cleared by an explicit action of the OS (e.g. an acknowledge to an interrupt controller). The BOOK3S_IRQPRIO_EXTERNAL bit is used for one-shot interrupt requests and BOOK3S_IRQPRIO_EXTERNAL_LEVEL is used for persisting interrupts. In practice BOOK3S_IRQPRIO_EXTERNAL never gets used, because our Book3S platforms generally, and pseries in particular, expect external interrupt requests to persist until they are acknowledged at the interrupt controller. That combined with the confusion introduced by having two bits for what is essentially the same thing makes it attractive to simplify things by only using one bit. This patch does that. With this patch there is only BOOK3S_IRQPRIO_EXTERNAL, and by default it has the semantics of a persisting interrupt. In order to avoid breaking the ABI, we introduce a new "external_oneshot" flag which preserves the behaviour of the KVM_INTERRUPT ioctl with the KVM_INTERRUPT_SET argument. Reviewed-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Paul Mackerras <paulus@ozlabs.org> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2018-10-08tools lib traceevent, perf tools: Move struct tep_handler definition in a ↵Tzvetomir Stoyanov
local header file As traceevent is going to be transferred into a proper library, its local data should be protected from the library users. This patch encapsulates struct tep_handler into a local header, not visible outside of the library. It implements also a bunch of new APIs, which library users can use to access tep_handler members. Signed-off-by: Tzvetomir Stoyanov <tstoyanov@vmware.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: linux trace devel <linux-trace-devel@vger.kernel.org> Cc: tzvetomir stoyanov <tstoyanov@vmware.com> Link: http://lkml.kernel.org/r/20181005122225.522155df@gandalf.local.home Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-10-08perf python: More portable way to make CFLAGS work with clangEduardo Habkost
The existing code that tries to make CFLAGS compatible with clang doesn't work with Python 3. Instead of trying to touch _sysconfigdata.build_time_vars directly, change the dictionary returned by disutils.sysconfig.get_config_vars(). This works on both Python 2 and Python 3. Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Reported-by: Arnaldo Carvalho de Melo <acme@redhat.com> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/r/20181005204058.7966-3-ehabkost@redhat.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-10-08perf python: Make clang_has_option() work on Python 3Eduardo Habkost
Use a bytes literal so it works with Python 3's version of Popen(). Note that the b"..." syntax requires Python 2.6+. Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/r/20181005204058.7966-2-ehabkost@redhat.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-10-08perf tools: Free temporary 'sys' string in read_event_files()Sanskriti Sharma
For each system in a given pevent, read_event_files() reads in a temporary 'sys' string. Be sure to free this string before moving onto to the next system and/or leaving read_event_files(). Fixes the following coverity complaints: Error: RESOURCE_LEAK (CWE-772): tools/perf/util/trace-event-read.c:343: overwrite_var: Overwriting "sys" in "sys = read_string()" leaks the storage that "sys" points to. tools/perf/util/trace-event-read.c:353: leaked_storage: Variable "sys" going out of scope leaks the storage it points to. Signed-off-by: Sanskriti Sharma <sansharm@redhat.com> Reviewed-by: Jiri Olsa <jolsa@kernel.org> Cc: Joe Lawrence <joe.lawrence@redhat.com> Link: http://lkml.kernel.org/r/1538490554-8161-6-git-send-email-sansharm@redhat.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-10-08perf tools: Avoid double free in read_event_file()Sanskriti Sharma
The temporary 'buf' buffer allocated in read_event_file() may be freed twice. Move the free() call to the common function exit point. Fixes the following coverity complaints: Error: USE_AFTER_FREE (CWE-825): tools/perf/util/trace-event-read.c:309: double_free: Calling "free" frees pointer "buf" which has already been freed. Signed-off-by: Sanskriti Sharma <sansharm@redhat.com> Reviewed-by: Jiri Olsa <jolsa@kernel.org> Cc: Joe Lawrence <joe.lawrence@redhat.com> Link: http://lkml.kernel.org/r/1538490554-8161-5-git-send-email-sansharm@redhat.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-10-08perf tools: Free 'printk' string in parse_ftrace_printk()Sanskriti Sharma
parse_ftrace_printk() tokenizes and parses a line, calling strdup() each iteration. Add code to free this temporary format string duplicate. Fixes the following coverity complaints: Error: RESOURCE_LEAK (CWE-772): tools/perf/util/trace-event-parse.c:158: overwrite_var: Overwriting "printk" in "printk = strdup(fmt + 1)" leaks the storage that "printk" points to. tools/perf/util/trace-event-parse.c:162: leaked_storage: Variable "printk" going out of scope leaks the storage it points to. Signed-off-by: Sanskriti Sharma <sansharm@redhat.com> Reviewed-by: Jiri Olsa <jolsa@kernel.org> Cc: Joe Lawrence <joe.lawrence@redhat.com> Link: http://lkml.kernel.org/r/1538490554-8161-4-git-send-email-sansharm@redhat.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-10-08perf tools: Cleanup trace-event-info 'tdata' leakSanskriti Sharma
Free tracing_data structure in tracing_data_get() error paths. Fixes the following coverity complaint: Error: RESOURCE_LEAK (CWE-772): leaked_storage: Variable "tdata" going out of scope leaks the storage Signed-off-by: Sanskriti Sharma <sansharm@redhat.com> Reviewed-by: Jiri Olsa <jolsa@kernel.org> Cc: Joe Lawrence <joe.lawrence@redhat.com> Link: http://lkml.kernel.org/r/1538490554-8161-3-git-send-email-sansharm@redhat.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-10-08perf strbuf: Match va_{add,copy} with va_endSanskriti Sharma
Ensure that all code paths in strbuf_addv() call va_end() on the ap_saved copy that was made. Fixes the following coverity complaint: Error: VARARGS (CWE-237): [#def683] tools/perf/util/strbuf.c:106: missing_va_end: va_end was not called for "ap_saved". Signed-off-by: Sanskriti Sharma <sansharm@redhat.com> Reviewed-by: Jiri Olsa <jolsa@kernel.org> Cc: Joe Lawrence <joe.lawrence@redhat.com> Link: http://lkml.kernel.org/r/1538490554-8161-2-git-send-email-sansharm@redhat.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-10-08perf test: S390 does not support watchpoints in test 22Thomas Richter
S390 does not support the perf_event_open system call for attribute type PERF_TYPE_BREAKPOINT. This results in test failure for test 22: [root@s8360046 perf]# ./perf test 22 22: Watchpoint : 22.1: Read Only Watchpoint : FAILED! 22.2: Write Only Watchpoint : FAILED! 22.3: Read / Write Watchpoint : FAILED! 22.4: Modify Watchpoint : FAILED! [root@s8360046 perf]# Add s390 support to avoid these tests being executed on s390 platform: [root@s8360046 perf]# ./perf test 22 [root@s8360046 perf]# ./perf test -v 22 22: Watchpoint : Disabled [root@s8360046 perf]# Signed-off-by: Thomas Richter <tmricht@linux.ibm.com> Reviewed-by: Ravi Bangoria <ravi.bangoria@linux.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Hendrik Brueckner <brueckner@linux.vnet.ibm.com> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Link: http://lkml.kernel.org/r/20180928105335.67179-1-tmricht@linux.ibm.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-10-08perf auxtrace: Include missing asm/bitsperlong.h to get BITS_PER_LONGArnaldo Carvalho de Melo
The auxtrace.h header references BITS_PER_LONG without including the header where it is defined, getting it by luck from some other header, fix it. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Alexander Sverdlin <alexander.sverdlin@nokia.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: https://lkml.kernel.org/n/tip-v04ydmbh7tvpcctf3zld9j9s@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-10-08tools include: Adopt linux/bits.hArnaldo Carvalho de Melo
So that we reduce the difference of tools/include/linux/bitops.h to the original kernel file, include/linux/bitops.h, trying to remove the need to define BITS_PER_LONG, to avoid clashes with asm/bitsperlong.h. And the things removed from tools/include/linux/bitops.h are really in linux/bits.h, so that we can have a copy and then tools/perf/check_headers.sh will tell us when new stuff gets added to linux/bits.h so that we can check if it is useful and if any adjustment needs to be done to the tools/{include,arch}/ copies. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Alexander Sverdlin <alexander.sverdlin@nokia.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: https://lkml.kernel.org/n/tip-y1sqyydvfzo0bjjoj4zsl562@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-10-05perf record: Use unmapped IP for inline callchain cursorsMilian Wolff
Only use the mapped IP to find inline frames, but keep using the unmapped IP for the callchain cursor. This ensures we properly show the unmapped IP when displaying a frame we received via the dso__parse_addr_inlines API for a module which does not contain sufficient debug symbols to show the srcline. This is another follow-up to commit 19610184693c ("perf script: Show virtual addresses instead of offsets"). Signed-off-by: Milian Wolff <milian.wolff@kdab.com> Acked-by: Jiri Olsa <jolsa@kernel.org> Tested-by: Ravi Bangoria <ravi.bangoria@linux.ibm.com> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Jin Yao <yao.jin@linux.intel.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Sandipan Das <sandipan@linux.ibm.com> Fixes: 19610184693c ("perf script: Show virtual addresses instead of offsets") Link: http://lkml.kernel.org/r/20180926135207.30263-2-milian.wolff@kdab.com Link: http://lkml.kernel.org/r/20181002073949.3297-1-milian.wolff@kdab.com [ Squashed a fix from Milian for a problem reported by Ravi, fixed up space damage ] Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-10-05perf python: Use -Wno-redundant-decls to build with PYTHON=python3Arnaldo Carvalho de Melo
When building in ClearLinux using 'make PYTHON=python3' with gcc 8.2.1 it fails with: GEN /tmp/build/perf/python/perf.so In file included from /usr/include/python3.7m/Python.h:126, from /git/linux/tools/perf/util/python.c:2: /usr/include/python3.7m/import.h:58:24: error: redundant redeclaration of ‘_PyImport_AddModuleObject’ [-Werror=redundant-decls] PyAPI_FUNC(PyObject *) _PyImport_AddModuleObject(PyObject *, PyObject *); ^~~~~~~~~~~~~~~~~~~~~~~~~ /usr/include/python3.7m/import.h:47:24: note: previous declaration of ‘_PyImport_AddModuleObject’ was here PyAPI_FUNC(PyObject *) _PyImport_AddModuleObject(PyObject *name, ^~~~~~~~~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors error: command 'gcc' failed with exit status 1 And indeed there is a redundant declaration in that Python.h file, one with parameter names and the other without, so just add -Wno-error=redundant-decls to the python setup instructions. Now perf builds with gcc in ClearLinux with the following Dockerfile: # docker.io/acmel/linux-perf-tools-build-clearlinux:latest FROM docker.io/clearlinux:latest MAINTAINER Arnaldo Carvalho de Melo <acme@kernel.org> RUN swupd update && \ swupd bundle-add sysadmin-basic-dev RUN mkdir -m 777 -p /git /tmp/build/perf /tmp/build/objtool /tmp/build/linux && \ groupadd -r perfbuilder && \ useradd -m -r -g perfbuilder perfbuilder && \ chown -R perfbuilder.perfbuilder /tmp/build/ /git/ USER perfbuilder COPY rx_and_build.sh / ENV EXTRA_MAKE_ARGS=PYTHON=python3 ENTRYPOINT ["/rx_and_build.sh"] Now to figure out why the build fails with clang, that is present in the above container as detected by the rx_and_build.sh script: clang version 6.0.1 (tags/RELEASE_601/final) Target: x86_64-unknown-linux-gnu Thread model: posix InstalledDir: /usr/sbin make: Entering directory '/git/linux/tools/perf' BUILD: Doing 'make -j4' parallel build HOSTCC /tmp/build/perf/fixdep.o HOSTLD /tmp/build/perf/fixdep-in.o LINK /tmp/build/perf/fixdep Auto-detecting system features: ... dwarf: [ OFF ] ... dwarf_getlocations: [ OFF ] ... glibc: [ OFF ] ... gtk2: [ OFF ] ... libaudit: [ OFF ] ... libbfd: [ OFF ] ... libelf: [ OFF ] ... libnuma: [ OFF ] ... numa_num_possible_cpus: [ OFF ] ... libperl: [ OFF ] ... libpython: [ OFF ] ... libslang: [ OFF ] ... libcrypto: [ OFF ] ... libunwind: [ OFF ] ... libdw-dwarf-unwind: [ OFF ] ... zlib: [ OFF ] ... lzma: [ OFF ] ... get_cpuid: [ OFF ] ... bpf: [ OFF ] Makefile.config:331: *** No gnu/libc-version.h found, please install glibc-dev[el]. Stop. make[1]: *** [Makefile.perf:206: sub-make] Error 2 make: *** [Makefile:70: all] Error 2 make: Leaving directory '/git/linux/tools/perf' Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Thiago Macieira <thiago.macieira@intel.com> Cc: Wang Nan <wangnan0@huawei.com> Link: https://lkml.kernel.org/n/tip-c3khb9ac86s00qxzjrueomme@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-09-27perf report: Don't try to map ip to invalid mapMilian Wolff
Fixes a crash when the report encounters an address that could not be associated with an mmaped region: #0 0x00005555557bdc4a in callchain_srcline (ip=<error reading variable: Cannot access memory at address 0x38>, sym=0x0, map=0x0) at util/machine.c:2329 #1 unwind_entry (entry=entry@entry=0x7fffffff9180, arg=arg@entry=0x7ffff5642498) at util/machine.c:2329 #2 0x00005555558370af in entry (arg=0x7ffff5642498, cb=0x5555557bdb50 <unwind_entry>, thread=<optimized out>, ip=18446744073709551615) at util/unwind-libunwind-local.c:586 #3 get_entries (ui=ui@entry=0x7fffffff9620, cb=0x5555557bdb50 <unwind_entry>, arg=0x7ffff5642498, max_stack=<optimized out>) at util/unwind-libunwind-local.c:703 #4 0x0000555555837192 in _unwind__get_entries (cb=<optimized out>, arg=<optimized out>, thread=<optimized out>, data=<optimized out>, max_stack=<optimized out>) at util/unwind-libunwind-local.c:725 #5 0x00005555557c310f in thread__resolve_callchain_unwind (max_stack=127, sample=0x7fffffff9830, evsel=0x555555c7b3b0, cursor=0x7ffff5642498, thread=0x555555c7f6f0) at util/machine.c:2351 #6 thread__resolve_callchain (thread=0x555555c7f6f0, cursor=0x7ffff5642498, evsel=0x555555c7b3b0, sample=0x7fffffff9830, parent=0x7fffffff97b8, root_al=0x7fffffff9750, max_stack=127) at util/machine.c:2378 #7 0x00005555557ba4ee in sample__resolve_callchain (sample=<optimized out>, cursor=<optimized out>, parent=parent@entry=0x7fffffff97b8, evsel=<optimized out>, al=al@entry=0x7fffffff9750, max_stack=<optimized out>) at util/callchain.c:1085 Signed-off-by: Milian Wolff <milian.wolff@kdab.com> Tested-by: Sandipan Das <sandipan@linux.ibm.com> Acked-by: Jiri Olsa <jolsa@kernel.org> Cc: Jin Yao <yao.jin@linux.intel.com> Cc: Namhyung Kim <namhyung@kernel.org> Fixes: 2a9d5050dc84 ("perf script: Show correct offsets for DWARF-based unwinding") Link: http://lkml.kernel.org/r/20180926135207.30263-1-milian.wolff@kdab.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-09-25perf script python: Fix export-to-sqlite.py sample columnsAdrian Hunter
With the "branches" export option, not all sample columns are exported. However the unwanted columns are not at the end of the tuple, as assumed by the code. Fix by taking the first 15 and last 3 values, instead of the first 18. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: stable@vger.kernel.org Link: http://lkml.kernel.org/r/20180911114504.28516-3-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-09-25perf script python: Fix export-to-postgresql.py occasional failureAdrian Hunter
Occasional export failures were found to be caused by truncating 64-bit pointers to 32-bits. Fix by explicitly setting types for all ctype arguments and results. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: stable@vger.kernel.org Link: http://lkml.kernel.org/r/20180911114504.28516-2-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-09-24perf probe: Support SDT markers having reference counter (semaphore)Ravi Bangoria
With this, perf buildid-cache will save SDT markers with reference counter in probe cache. Perf probe will be able to probe markers having reference counter. Ex, # readelf -n /tmp/tick | grep -A1 loop2 Name: loop2 ... Semaphore: 0x0000000010020036 # ./perf buildid-cache --add /tmp/tick # ./perf probe sdt_tick:loop2 # ./perf stat -e sdt_tick:loop2 /tmp/tick hi: 0 hi: 1 hi: 2 ^C Performance counter stats for '/tmp/tick': 3 sdt_tick:loop2 2.561851452 seconds time elapsed Link: http://lkml.kernel.org/r/20180820044250.11659-5-ravi.bangoria@linux.ibm.com Acked-by: Arnaldo Carvalho de Melo <acme@redhat.com> Acked-by: Masami Hiramatsu <mhiramat@kernel.org> Acked-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com> Reviewed-by: Song Liu <songliubraving@fb.com> Tested-by: Song Liu <songliubraving@fb.com> Signed-off-by: Ravi Bangoria <ravi.bangoria@linux.ibm.com> Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
2018-09-20perf vendor events arm64: Revise core JSON events for eMAGSean V Kelley
Split the PMU events into meaningful functional groups. Update core pmu events based on supported ARMv8 recommended IMPLEMENTATION DEFINED events. The JSON files are updated with reference to a PMU table shared here: https://github.com/AmpereComputing/ampere-centos-kernel/blob/amp-centos-7.5-kernel/Documentation/arm64/eMAG-ARM-CoreImpDefined.pdf Changes in v3: - Removed CHAIN event as it wouldn't be useful in Perf - William - Will factor out events 0x00-0x38 in a follow-on patch - William - to armv8-recommended.json Changes in V2: - Provided documentation for changes - John, William - Broke up into meaningful groups - William Signed-off-by: Sean V Kelley <seanvk.dev@oregontracks.org> Reviewed-by: William Cohen <wcohen@redhat.com> Cc: John Garry <john.garry@huawei.com> Cc: linux-arm-kernel@lists.infradead.org LPU-Reference: 20180916221203.7935-1-seanvk.dev@oregontracks.org Link: https://lkml.kernel.org/n/tip-tzvs1ip6srcv2et0ny58e0wy@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-09-20perf intel-pt: Implement decoder flags for trace begin / endAdrian Hunter
Have the Intel PT decoder implement the new Intel PT decoder flags for trace begin / end. Previously, the decoder would indicate begin / end by a branch from / to zero. That hides useful information, in particular when a trace ends with a call. That happens when using address filters, for example: $ perf record -e intel_pt/cyc,mtc_period=0,noretcomp/u --filter='filter main @ /bin/uname ' uname Linux [ perf record: Woken up 1 times to write data ] [ perf record: Captured and wrote 0.031 MB perf.data ] Before: $ perf script --itrace=cre -Ftime,flags,ip,sym,symoff,addr --ns 7249.622183310: tr strt 0 [unknown] => 401590 main+0x0 7249.622183311: call 4015b9 main+0x29 => 0 [unknown] 7249.622183711: tr strt 0 [unknown] => 4015be main+0x2e 7249.622183714: call 4015c8 main+0x38 => 0 [unknown] 7249.622247731: tr strt 0 [unknown] => 4015cd main+0x3d 7249.622247760: call 4015d7 main+0x47 => 0 [unknown] 7249.622248340: tr strt 0 [unknown] => 4015dc main+0x4c 7249.622248341: call 4015e1 main+0x51 => 0 [unknown] 7249.622248681: tr strt 0 [unknown] => 4015e6 main+0x56 7249.622248682: call 4015eb main+0x5b => 0 [unknown] 7249.622248970: tr strt 0 [unknown] => 4015f0 main+0x60 7249.622248971: call 401612 main+0x82 => 0 [unknown] 7249.622249757: tr strt 0 [unknown] => 401617 main+0x87 7249.622249770: call 401847 main+0x2b7 => 0 [unknown] 7249.622250606: tr strt 0 [unknown] => 40184c main+0x2bc 7249.622250612: call 4019bf main+0x42f => 0 [unknown] 7249.622256823: tr strt 0 [unknown] => 4019c4 main+0x434 7249.622256863: call 4019f5 main+0x465 => 0 [unknown] 7249.622264217: tr strt 0 [unknown] => 4019fa main+0x46a 7249.622264235: call 401832 main+0x2a2 => 0 [unknown] After: $ perf script --itrace=cre -Ftime,flags,ip,sym,symoff,addr --ns 7249.622183310: tr strt 0 [unknown] => 401590 main+0x0 7249.622183311: tr end call 4015b9 main+0x29 => 401ef0 set_program_name+0x0 7249.622183711: tr strt 0 [unknown] => 4015be main+0x2e 7249.622183714: tr end call 4015c8 main+0x38 => 4014b0 setlocale@plt+0x0 7249.622247731: tr strt 0 [unknown] => 4015cd main+0x3d 7249.622247760: tr end call 4015d7 main+0x47 => 4012d0 bindtextdomain@plt+0x0 7249.622248340: tr strt 0 [unknown] => 4015dc main+0x4c 7249.622248341: tr end call 4015e1 main+0x51 => 4012b0 textdomain@plt+0x0 7249.622248681: tr strt 0 [unknown] => 4015e6 main+0x56 7249.622248682: tr end call 4015eb main+0x5b => 404340 atexit+0x0 7249.622248970: tr strt 0 [unknown] => 4015f0 main+0x60 7249.622248971: tr end call 401612 main+0x82 => 401320 getopt_long@plt+0x0 7249.622249757: tr strt 0 [unknown] => 401617 main+0x87 7249.622249770: tr end call 401847 main+0x2b7 => 401360 uname@plt+0x0 7249.622250606: tr strt 0 [unknown] => 40184c main+0x2bc 7249.622250612: tr end call 4019bf main+0x42f => 401b10 print_element+0x0 7249.622256823: tr strt 0 [unknown] => 4019c4 main+0x434 7249.622256863: tr end call 4019f5 main+0x465 => 401340 __overflow@plt+0x0 7249.622264217: tr strt 0 [unknown] => 4019fa main+0x46a 7249.622264235: tr end call 401832 main+0x2a2 => 401520 exit@plt+0x0 Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Link: http://lkml.kernel.org/r/20180920130048.31432-7-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-09-20perf intel-pt: Add decoder flags for trace begin / endAdrian Hunter
Previously, the decoder would indicate begin / end by a branch from / to zero. That hides useful information, in particular when a trace ends with a call. To prepare for remedying that, add Intel PT decoder flags for trace begin / end and map them to the existing sample flags. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Link: http://lkml.kernel.org/r/20180920130048.31432-6-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-09-20perf tools: Improve thread_stack__process() for trace begin / endAdrian Hunter
thread_stack__process() is used to create call paths for database export. Improve the handling of trace begin / end to allow for a trace that ends in a call. Previously, the Intel PT decoder would indicate begin / end by a branch from / to zero. That hides useful information, in particular when a trace ends with a call. Before remedying that, enhance the thread stack so that it identifies the trace end by the flag instead of by ip == 0. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Link: http://lkml.kernel.org/r/20180920130048.31432-5-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-09-20perf tools: Improve thread_stack__event() for trace begin / endAdrian Hunter
thread_stack__event() is used to create call stacks, by keeping track of calls and returns. Improve the handling of trace begin / end to allow for a trace that ends in a call. Previously, the Intel PT decoder would indicate begin / end by a branch from / to zero. That hides useful information, in particular when a trace ends with a call. Before remedying that, enhance the thread stack so that it does not expect to see the 'return' for a 'call' that ends the trace. Committer notes: Added this: return thread_stack__push(thread->ts, ret_addr, - flags && PERF_IP_FLAG_TRACE_END); + flags & PERF_IP_FLAG_TRACE_END); To fix problem spotted by: debian:9: clang version 3.8.1-24 (tags/RELEASE_381/final) debian:experimental: clang version 6.0.1-6 (tags/RELEASE_601/final) Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Link: http://lkml.kernel.org/r/20180920130048.31432-4-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-09-20perf db-export: Add trace begin / end branch type variantsAdrian Hunter
Add branch types to cover different combinations with "trace begin" or "trace end". Previously, the Intel PT decoder would indicate begin / end by a branch from / to zero. That hides useful information, in particular when a trace ends with a call. Before remedying that, prepare the database export to export branch types with more combinations that include trace begin / end. In those cases extend the descriptions to include 'trace begin' and 'trace end' separately. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Link: http://lkml.kernel.org/r/20180920130048.31432-3-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-09-20perf script: Enhance sample flags for trace begin / endAdrian Hunter
Allow for different combinations of sample flags with "trace begin" or "trace end". Previously, the Intel PT decoder would indicate begin / end by a branch from / to zero. That hides useful information, in particular when a trace ends with a call. Before remedying that, prepare 'perf script' to display sample flags with more combinations that include trace begin / end. In those cases display 'tr start' and 'tr end' separately. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Link: http://lkml.kernel.org/r/20180920130048.31432-2-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-09-19tools lib traceevent: Rename data2host*() APIsTzvetomir Stoyanov (VMware)
In order to make libtraceevent into a proper library, variables, data structures and functions require a unique prefix to prevent name space conflicts. That prefix will be "tep_". This renames data2host*() APIs Signed-off-by: Tzvetomir Stoyanov (VMware) <tz.stoyanov@gmail.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Tzvetomir Stoyanov (VMware) <tz.stoyanov@gmail.com> Cc: linux-trace-devel@vger.kernel.org Link: http://lkml.kernel.org/r/20180919185724.751088939@goodmis.org Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-09-19tools lib traceevent: Rename struct plugin_list to struct tep_plugin_listTzvetomir Stoyanov (VMware)
In order to make libtraceevent into a proper library, variables, data structures and functions require a unique prefix to prevent name space conflicts. That prefix will be "tep_". This renames struct plugin_list to struct tep_plugin_list Signed-off-by: Tzvetomir Stoyanov (VMware) <tz.stoyanov@gmail.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Tzvetomir Stoyanov (VMware) <tz.stoyanov@gmail.com> Cc: linux-trace-devel@vger.kernel.org Link: http://lkml.kernel.org/r/20180919185724.586889128@goodmis.org Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-09-19tools lib traceevent, perf tools: Rename enum print_arg_type to enum ↵Tzvetomir Stoyanov (VMware)
tep_print_arg_type In order to make libtraceevent into a proper library, variables, data structures and functions require a unique prefix to prevent name space conflicts. That prefix will be "tep_". This renames enum print_arg_type to enum tep_print_arg_type and add prefix TEP_ to all its members. Signed-off-by: Tzvetomir Stoyanov (VMware) <tz.stoyanov@gmail.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Tzvetomir Stoyanov (VMware) <tz.stoyanov@gmail.com> Cc: linux-trace-devel@vger.kernel.org Link: http://lkml.kernel.org/r/20180919185723.533960748@goodmis.org Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-09-19tools lib traceevent, perf tools: Add prefix tep_ to all print_* structuresTzvetomir Stoyanov (VMware)
In order to make libtraceevent into a proper library, variables, data structures and functions require a unique prefix to prevent name space conflicts. That prefix will be "tep_". This adds prefix tep_ to all print_* structures Signed-off-by: Tzvetomir Stoyanov (VMware) <tz.stoyanov@gmail.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Tzvetomir Stoyanov (VMware) <tz.stoyanov@gmail.com> Cc: linux-trace-devel@vger.kernel.org Link: http://lkml.kernel.org/r/20180919185723.381753268@goodmis.org Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-09-19tools lib traceevent, perf tools: Rename enum format_flags to enum ↵Tzvetomir Stoyanov (VMware)
tep_format_flags In order to make libtraceevent into a proper library, variables, data structures and functions require a unique prefix to prevent name space conflicts. That prefix will be "tep_". This renames enum format_flags to enum tep_format_flags and adds prefix TEP_ to all of its members. Signed-off-by: Tzvetomir Stoyanov (VMware) <tz.stoyanov@gmail.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Tzvetomir Stoyanov (VMware) <tz.stoyanov@gmail.com> Cc: linux-trace-devel@vger.kernel.org Link: http://lkml.kernel.org/r/20180919185722.803127871@goodmis.org Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-09-19tools lib traceevent, perf tools: Rename struct format{_field} to struct ↵Tzvetomir Stoyanov (VMware)
tep_format{_field} In order to make libtraceevent into a proper library, variables, data structures and functions require a unique prefix to prevent name space conflicts. That prefix will be "tep_". This renames struct format to struct tep_format and struct format_field to struct tep_format_field Signed-off-by: Tzvetomir Stoyanov (VMware) <tz.stoyanov@gmail.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Tzvetomir Stoyanov (VMware) <tz.stoyanov@gmail.com> Cc: linux-trace-devel@vger.kernel.org Link: http://lkml.kernel.org/r/20180919185722.661319373@goodmis.org Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-09-19tools lib traceevent, perf tools: Rename struct event_format to struct ↵Tzvetomir Stoyanov (VMware)
tep_event_format In order to make libtraceevent into a proper library, variables, data structures and functions require a unique prefix to prevent name space conflicts. That prefix will be "tep_". This renames struct event_format to struct tep_event_format Signed-off-by: Tzvetomir Stoyanov (VMware) <tz.stoyanov@gmail.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Tzvetomir Stoyanov (VMware) <tz.stoyanov@gmail.com> Cc: linux-trace-devel@vger.kernel.org Link: http://lkml.kernel.org/r/20180919185722.495820809@goodmis.org Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-09-19perf script: Print DSO for callindentAndi Kleen
Now that we don't need to print the IP/ADDR for callindent the DSO is also not printed. It's useful for some cases, so add an own DSO printout for callindent for the case when IP/ADDR is not enabled. Before: % perf script --itrace=cr -F +callindent,-ip,-sym,-symoff,-addr swapper 0 [000] 3377.917072: 1 branches: pt_config swapper 0 [000] 3377.917072: 1 branches: pt_config swapper 0 [000] 3377.917072: 1 branches: pt_event_add swapper 0 [000] 3377.917072: 1 branches: perf_pmu_enable swapper 0 [000] 3377.917072: 1 branches: perf_pmu_nop_void swapper 0 [000] 3377.917072: 1 branches: event_sched_in.isra.107 swapper 0 [000] 3377.917072: 1 branches: __x86_indirect_thunk_rax swapper 0 [000] 3377.917072: 1 branches: perf_pmu_nop_int swapper 0 [000] 3377.917072: 1 branches: group_sched_in swapper 0 [000] 3377.917072: 1 branches: event_filter_match swapper 0 [000] 3377.917072: 1 branches: event_filter_match swapper 0 [000] 3377.917072: 1 branches: group_sched_in After: swapper 0 [000] 3377.917072: 1 branches: ([unknown]) pt_config swapper 0 [000] 3377.917072: 1 branches: ([kernel.kallsyms]) pt_config swapper 0 [000] 3377.917072: 1 branches: ([kernel.kallsyms]) pt_event_add swapper 0 [000] 3377.917072: 1 branches: ([kernel.kallsyms]) perf_pmu_enable swapper 0 [000] 3377.917072: 1 branches: ([kernel.kallsyms]) perf_pmu_nop_void swapper 0 [000] 3377.917072: 1 branches: ([kernel.kallsyms]) event_sched_in.isra.107 swapper 0 [000] 3377.917072: 1 branches: ([kernel.kallsyms]) __x86_indirect_thunk_rax swapper 0 [000] 3377.917072: 1 branches: ([kernel.kallsyms]) perf_pmu_nop_int swapper 0 [000] 3377.917072: 1 branches: ([kernel.kallsyms]) group_sched_in swapper 0 [000] 3377.917072: 1 branches: ([kernel.kallsyms]) event_filter_match swapper 0 [000] 3377.917072: 1 branches: ([kernel.kallsyms]) event_filter_match swapper 0 [000] 3377.917072: 1 branches: ([kernel.kallsyms]) group_sched_in swapper 0 [000] 3377.917072: 1 branches: ([kernel.kallsyms]) __x86_indirect_thunk_rax swapper 0 [000] 3377.917072: 1 branches: ([kernel.kallsyms]) perf_pmu_nop_txn swapper 0 [000] 3377.917072: 1 branches: ([kernel.kallsyms]) event_sched_in.isra.107 (in the kernel case of course it's not very useful, but it's important with user programs where symbols are not unique) Signed-off-by: Andi Kleen <ak@linux.intel.com> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Kim Phillips <kim.phillips@arm.com> Link: http://lkml.kernel.org/r/20180918123214.26728-6-andi@firstfloor.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-09-19perf script: Allow sym and dso without ip, addrAndi Kleen
Currently sym and dso require printing ip and addr because the print function is tied to those outputs. With callindent it makes sense to print the symbol or dso without numerical IP or ADDR. So change the dependency check to only check the underlying attribute. Also the branch target output relies on the user_set flag to determine if the branch target should be implicitely printed. When modifying the fields with + or - also set user_set, so that ADDR can be removed. We also need to set wildcard_set to make the initial sanity check pass. This allows to remove a lot of noise in callindent output by dropping the numerical addresses, which are not all that useful. Before % perf script --itrace=cr -F +callindent swapper 0 [000] 156546.354971: 1 branches: pt_config 0 [unknown] ([unknown]) => ffffffff81010486 pt_config ([kernel.kallsyms]) swapper 0 [000] 156546.354971: 1 branches: pt_config ffffffff81010499 pt_config ([kernel.kallsyms]) => ffffffff8101063e pt_event_add ([kernel.kallsyms]) swapper 0 [000] 156546.354971: 1 branches: pt_event_add ffffffff81010635 pt_event_add ([kernel.kallsyms]) => ffffffff8115e687 event_sched_in.isra.107 ([kernel.kallsyms]) swapper 0 [000] 156546.354971: 1 branches: perf_pmu_enable ffffffff8115e726 event_sched_in.isra.107 ([kernel.kallsyms]) => ffffffff811579b0 perf_pmu_enable ([kernel.kallsyms]) swapper 0 [000] 156546.354971: 1 branches: perf_pmu_nop_void ffffffff81151730 perf_pmu_nop_void ([kernel.kallsyms]) => ffffffff8115e72b event_sched_in.isra.107 ([kernel.kallsyms]) swapper 0 [000] 156546.354971: 1 branches: event_sched_in.isra.107 ffffffff8115e737 event_sched_in.isra.107 ([kernel.kallsyms]) => ffffffff8115e7a5 group_sched_in ([kernel.kallsyms]) swapper 0 [000] 156546.354971: 1 branches: __x86_indirect_thunk_rax ffffffff8115e7f6 group_sched_in ([kernel.kallsyms]) => ffffffff81a03000 __x86_indirect_thunk_rax ([kernel.kallsyms]) After % perf script --itrace=cr -F +callindent,-ip,-sym,-symoff swapper 0 [000] 156546.354971: 1 branches: pt_config swapper 0 [000] 156546.354971: 1 branches: pt_config swapper 0 [000] 156546.354971: 1 branches: pt_event_add swapper 0 [000] 156546.354971: 1 branches: perf_pmu_enable swapper 0 [000] 156546.354971: 1 branches: perf_pmu_nop_void swapper 0 [000] 156546.354971: 1 branches: event_sched_in.isra.107 swapper 0 [000] 156546.354971: 1 branches: __x86_indirect_thunk_rax swapper 0 [000] 156546.354971: 1 branches: perf_pmu_nop_int swapper 0 [000] 156546.354971: 1 branches: group_sched_in swapper 0 [000] 156546.354971: 1 branches: event_filter_match swapper 0 [000] 156546.354971: 1 branches: event_filter_match swapper 0 [000] 156546.354971: 1 branches: group_sched_in Signed-off-by: Andi Kleen <ak@linux.intel.com> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Kim Phillips <kim.phillips@arm.com> Link: http://lkml.kernel.org/r/20180918123214.26728-5-andi@firstfloor.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-09-19perf tools: Report itrace options in helpAndi Kleen
I often forget all the options that --itrace accepts. Instead of burying them in the man page only report them in the normal command line help too to make them easier accessible. v2: Align Signed-off-by: Andi Kleen <ak@linux.intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Kim Phillips <kim.phillips@arm.com> Link: http://lkml.kernel.org/r/20180914031038.4160-2-andi@firstfloor.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-09-19perf help: Add missing subcommand `version`Sangwon Hong
There isn't subcommand `version` when typing `perf help`. Before : $ perf help | grep version usage: perf [--version] [--help] [OPTIONS] COMMAND [ARGS] So add perf-version in command-list.txt for listing it when typing `perf help`. After : $ perf help | grep version usage: perf [--version] [--help] [OPTIONS] COMMAND [ARGS] version display the version of perf binary Signed-off-by: Sangwon Hong <qpakzk@gmail.com> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Jin Yao <yao.jin@linux.intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Link: http://lkml.kernel.org/r/20180919074911.41931-1-qpakzk@gmail.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-09-19perf python: Use -Wno-redundant-decls to build with PYTHON=python3Arnaldo Carvalho de Melo
When building in ClearLinux using 'make PYTHON=python3' with gcc 8.2.1 it fails with: GEN /tmp/build/perf/python/perf.so In file included from /usr/include/python3.7m/Python.h:126, from /git/linux/tools/perf/util/python.c:2: /usr/include/python3.7m/import.h:58:24: error: redundant redeclaration of ‘_PyImport_AddModuleObject’ [-Werror=redundant-decls] PyAPI_FUNC(PyObject *) _PyImport_AddModuleObject(PyObject *, PyObject *); ^~~~~~~~~~~~~~~~~~~~~~~~~ /usr/include/python3.7m/import.h:47:24: note: previous declaration of ‘_PyImport_AddModuleObject’ was here PyAPI_FUNC(PyObject *) _PyImport_AddModuleObject(PyObject *name, ^~~~~~~~~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors error: command 'gcc' failed with exit status 1 And indeed there is a redundant declaration in that Python.h file, one with parameter names and the other without, so just add -Wno-error=redundant-decls to the python setup instructions. Now perf builds with gcc in ClearLinux with the following Dockerfile: # docker.io/acmel/linux-perf-tools-build-clearlinux:latest FROM docker.io/clearlinux:latest MAINTAINER Arnaldo Carvalho de Melo <acme@kernel.org> RUN swupd update && \ swupd bundle-add sysadmin-basic-dev RUN mkdir -m 777 -p /git /tmp/build/perf /tmp/build/objtool /tmp/build/linux && \ groupadd -r perfbuilder && \ useradd -m -r -g perfbuilder perfbuilder && \ chown -R perfbuilder.perfbuilder /tmp/build/ /git/ USER perfbuilder COPY rx_and_build.sh / ENV EXTRA_MAKE_ARGS=PYTHON=python3 ENTRYPOINT ["/rx_and_build.sh"] Now to figure out why the build fails with clang, that is present in the above container as detected by the rx_and_build.sh script: clang version 6.0.1 (tags/RELEASE_601/final) Target: x86_64-unknown-linux-gnu Thread model: posix InstalledDir: /usr/sbin make: Entering directory '/git/linux/tools/perf' BUILD: Doing 'make -j4' parallel build HOSTCC /tmp/build/perf/fixdep.o HOSTLD /tmp/build/perf/fixdep-in.o LINK /tmp/build/perf/fixdep Auto-detecting system features: ... dwarf: [ OFF ] ... dwarf_getlocations: [ OFF ] ... glibc: [ OFF ] ... gtk2: [ OFF ] ... libaudit: [ OFF ] ... libbfd: [ OFF ] ... libelf: [ OFF ] ... libnuma: [ OFF ] ... numa_num_possible_cpus: [ OFF ] ... libperl: [ OFF ] ... libpython: [ OFF ] ... libslang: [ OFF ] ... libcrypto: [ OFF ] ... libunwind: [ OFF ] ... libdw-dwarf-unwind: [ OFF ] ... zlib: [ OFF ] ... lzma: [ OFF ] ... get_cpuid: [ OFF ] ... bpf: [ OFF ] Makefile.config:331: *** No gnu/libc-version.h found, please install glibc-dev[el]. Stop. make[1]: *** [Makefile.perf:206: sub-make] Error 2 make: *** [Makefile:70: all] Error 2 make: Leaving directory '/git/linux/tools/perf' Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Thiago Macieira <thiago.macieira@intel.com> Cc: Wang Nan <wangnan0@huawei.com> Link: https://lkml.kernel.org/n/tip-c3khb9ac86s00qxzjrueomme@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-09-19perf tools: Initialize perf_data_file fd fieldJérémie Galarneau
Building the perf CTF converter fails with gcc 4.8.4 on Ubuntu 14.04 with the following error: error: missing initializer for field ‘fd’ of ‘struct perf_data_file’ [-Werror=missing-field-initializers] Per 4b838b0db4e9 ("perf tools: Add compression id into 'struct kmod_path'") and the ensuing discussion on the mailing list, it appears that this affects other distributions and gcc versions. Signed-off-by: Jeremie Galarneau <jeremie.galarneau@efficios.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20180829201648.19588-1-jeremie.galarneau@efficios.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-09-19perf util: Make copyfile_offset() globalJiri Olsa
It will be used outside of util object in following patches. Committer note: We need to have the header with the definition for loff_t in util.h since we now use it in the copyfile_offset() signature. Also move that prototype closer to the other copyfile_ prefixed functions. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Alexey Budankov <alexey.budankov@linux.intel.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20180913125450.21342-10-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-09-19perf tools: Add 'struct perf_mmap' arg to record__write()Jiri Olsa
The struct perf_mmap map argument will hold the file pointer to write the data to. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Alexey Budankov <alexey.budankov@linux.intel.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20180913125450.21342-5-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-09-19perf auxtrace: Pass struct perf_mmap into mmap__read* functionsJiri Olsa
The perf_mmap struct will hold a file pointer to write the mmap's contents, so we need to propagate it down the stack to record__write callers instead of its member the auxtrace_mmap struct. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Alexey Budankov <alexey.budankov@linux.intel.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20180913125450.21342-4-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-09-19perf tools: Remove perf_tool from event_op3Jiri Olsa
Now that we keep a perf_tool pointer inside perf_session, there's no need to have a perf_tool argument in the event_op3 callback. Remove it. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Alexey Budankov <alexey.budankov@linux.intel.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20180913125450.21342-3-jolsa@kernel.org [ Fix the builtin-inject.c build for !HAVE_AUXTRACE_SUPPORT ] Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-09-19perf tools: Remove perf_tool from event_op2Jiri Olsa
Now that we keep a perf_tool pointer inside perf_session, there's no need to have a perf_tool argument in the event_op2 callback. Remove it. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Alexey Budankov <alexey.budankov@linux.intel.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20180913125450.21342-2-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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