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2014-05-16perf tests: Add dwarf unwind test on ARMJean Pihet
Adding dwarf unwind test, that setups live machine data over the perf test thread and does the remote unwind. Need to use -fno-optimize-sibling-calls for test compilation, otherwise 'krava_*' function calls are optimized into jumps and omitted from the stack unwind. So far it was enabled only for x86. Signed-off-by: Jean Pihet <jean.pihet@linaro.org> Reviewed-by: Will Deacon <will.deacon@arm.com> Cc: Arnaldo Carvalho de Melo <acme@kernel.org> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1400229672-16104-3-git-send-email-jean.pihet@linaro.org Signed-off-by: Jiri Olsa <jolsa@kernel.org>
2014-05-16perf tests: Introduce perf_regs_load function on ARMJean Pihet
Introducing perf_regs_load function, which is going to be used for dwarf unwind test in following patches. It takes single argument as a pointer to the regs dump buffer and populates it with current registers values. Signed-off-by: Jean Pihet <jean.pihet@linaro.org> Reviewed-by: Will Deacon <will.deacon@arm.com> Cc: Arnaldo Carvalho de Melo <acme@kernel.org> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1400229672-16104-2-git-send-email-jean.pihet@linaro.org Signed-off-by: Jiri Olsa <jolsa@kernel.org>
2014-05-16perf tools: Consolidate types.h for ARM and ARM64Jean Pihet
Prevents a build breakage since commit d944c4eebcf4c0d5e5d9728fec110cbf0047ad7f 'tools: Consolidate types.h' Signed-off-by: Jean Pihet <jean.pihet@linaro.org> Link: http://lkml.kernel.org/r/1400229672-16104-1-git-send-email-jean.pihet@linaro.org Signed-off-by: Jiri Olsa <jolsa@kernel.org>
2014-05-16perf session: Fix possible null pointer dereference in session.cMasanari Iida
cppcheck detected following warning: [tools/perf/util/session.c:1628] -> [tools/perf/util/session.c:1632]: (warning) Possible null pointer dereference: session - otherwise it is redundant to check it against null. In order to avoide null pointer, check the pointer before use. Signed-off-by: Masanari Iida <standby24x7@gmail.com> Link: http://lkml.kernel.org/r/1400087618-13628-1-git-send-email-standby24x7@gmail.com Signed-off-by: Jiri Olsa <jolsa@kernel.org>
2014-05-16perf sched: Cleanup, remove unused variables in map_switch_event()Dongsheng Yang
In map_switch_event(), we don't care the previous process currently, this patch remove the infomation we get but not used. Signed-off-by: Dongsheng Yang <yangds.fnst@cn.fujitsu.com> Link: http://lkml.kernel.org/r/1400218625-14613-1-git-send-email-yangds.fnst@cn.fujitsu.com Signed-off-by: Jiri Olsa <jolsa@kernel.org>
2014-05-16perf sched: Remove nr_state_machine_bugs in perf latencyDongsheng Yang
As we do not use .success in sched_wakeup event any more, then we can not guarantee that the task when wakeup event happen is out of run queue. So the message of nr_state_machine_bugs is not correct. Signed-off-by: Dongsheng Yang <yangds.fnst@cn.fujitsu.com> Link: http://lkml.kernel.org/r/1399945101-21736-1-git-send-email-yangds.fnst@cn.fujitsu.com Signed-off-by: Jiri Olsa <jolsa@kernel.org>
2014-05-12perf tools: Remove usage of trace_sched_wakeup(.success)Peter Zijlstra
trace_sched_wakeup(.success) is a dead argument and has been for ages, the only reason its still there is because of brain dead software, which apparently includes perf tools There's a few more instances in pearly snake shit, but that's not supported as far as I care anyhow, so let that bitrot. Signed-off-by: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20140512181946.GG13467@laptop.programming.kicks-ass.net Signed-off-by: Jiri Olsa <jolsa@kernel.org>
2014-05-12Merge tag 'perf-core-for-mingo' of ↵Ingo Molnar
git://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf into perf/core Pull perf/core improvements and fixes from Jiri Olsa: * Propagate exit status of a command line workload for record command (Namhyung Kim) * Use tid for finding thread (Namhyung Kim) * Clarify the output of perf sched map plus small sched command fixies (Dongsheng Yang) Signed-off-by: Jiri Olsa <jolsa@kernel.org> Signed-off-by: Ingo Molnar <mingo@kernel.org>
2014-05-12perf tools: Use tid for finding threadNamhyung Kim
I believe that passing pid (instead of tid) as the 3rd arg of the machine__find*_thread() was to find a main thread so that it can search proper map group for symbols. However with the map sharing patch applied, it now can do it in any thread. It fixes a bug when each thread has different name, it only reports a main thread for samples in other threads. Cc: Adrian Hunter <adrian.hunter@intel.com> Acked-by: David Ahern <dsahern@gmail.com> Acked-by: Stephane Eranian <eranian@google.com> Signed-off-by: Namhyung Kim <namhyung@kernel.org> Link: http://lkml.kernel.org/r/1399856202-26221-1-git-send-email-namhyung@kernel.org Signed-off-by: Jiri Olsa <jolsa@kernel.org>
2014-05-12perf tools: Get rid of on_exit() feature testNamhyung Kim
The on_exit() function was only used in perf record but it's gone in previous patch. Signed-off-by: Namhyung Kim <namhyung@kernel.org> Acked-by: Stephane Eranian <eranian@google.com> Cc: Bernhard Rosenkraenzer <Bernhard.Rosenkranzer@linaro.org> Cc: Irina Tirdea <irina.tirdea@intel.com> Link: http://lkml.kernel.org/r/1399855645-25815-2-git-send-email-namhyung@kernel.org Signed-off-by: Jiri Olsa <jolsa@kernel.org>
2014-05-12perf record: Propagate exit status of a command line workloadNamhyung Kim
Currently perf record doesn't propagate the exit status of a workload given by the command line. But sometimes it'd useful if it's propagated so that a monitoring script can handle errors appropriately. To do that, it moves most of logic out of the exit handlers and run them directly in the __cmd_record(). The only thing needs to be done in the handler is propagating terminating signal so that the shell can terminate its loop properly when Ctrl-C was pressed. Also it cleaned up the resource management code in record__exit(). With this change, perf record returns the child exit status in case of normal termination and send signal to itself when terminated by signal. Example run of Stephane's case: $ perf record true && echo yes || echo no [ perf record: Woken up 1 times to write data ] [ perf record: Captured and wrote 0.013 MB perf.data (~589 samples) ] yes $ perf record false && echo yes || echo no [ perf record: Woken up 1 times to write data ] [ perf record: Captured and wrote 0.013 MB perf.data (~589 samples) ] no Jiri's case (error in parent): $ perf record -m 10G true && echo yes || echo no rounding mmap pages size to 17179869184 bytes (4194304 pages) failed to mmap with 12 (Cannot allocate memory) no $ ulimit -n 6 $ perf record sleep 1 && echo yes || echo no failed to create 'go' pipe: Too many open files Couldn't run the workload! no And Peter's case (interrupted by signal): $ while :; do perf record sleep 1; done ^C[ perf record: Woken up 1 times to write data ] [ perf record: Captured and wrote 0.014 MB perf.data (~593 samples) ] Reported-by: Stephane Eranian <eranian@google.com> Signed-off-by: Namhyung Kim <namhyung@kernel.org> Acked-by: Stephane Eranian <eranian@google.com> Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Acked-by: Ingo Molnar <mingo@kernel.org> Link: http://lkml.kernel.org/r/1399855645-25815-1-git-send-email-namhyung@kernel.org Signed-off-by: Jiri Olsa <jolsa@kernel.org>
2014-05-12perf tools: Clarify the output of perf sched map.Dongsheng
In output of perf sched map, any shortname of thread will be explained at the first time when it appear. Example: *A0 228836.978985 secs A0 => perf:23032 *. A0 228836.979016 secs B0 => swapper:0 . *C0 228836.979099 secs C0 => migration/3:22 *A0 . C0 228836.979115 secs A0 . *. 228836.979115 secs But B0, which is explained as swapper:0 did not appear in the left part of output. Instead, we use '.' as the shortname of swapper:0. So the comment of "B0 => swapper:0" is not easy to understand. This patch clarify the output of perf sched map with not allocating one letter-number shortname for swapper:0 and print ". => swapper:0" as the explanation for swapper:0. Example: *A0 228836.978985 secs A0 => perf:23032 * . A0 228836.979016 secs . => swapper:0 . *B0 228836.979099 secs B0 => migration/3:22 *A0 . B0 228836.979115 secs A0 . * . 228836.979115 secs A0 *C0 . 228836.979225 secs C0 => ksoftirqd/2:18 A0 *D0 . 228836.979236 secs D0 => rcu_sched:7 Signed-off-by: Dongsheng <yangds.fnst@cn.fujitsu.com> Acked-by: Ingo Molnar <mingo@kernel.org> Link: http://lkml.kernel.org/r/1399354741-19522-1-git-send-email-yangds.fnst@cn.fujitsu.com [ small style fixes to make checkpatch happy ] Signed-off-by: Jiri Olsa <jolsa@kernel.org>
2014-05-12perf tools: Adapt the TASK_STATE_TO_CHAR_STR to new value in kernel space.Dongsheng
Currently, TASK_STATE_TO_CHAR_STR in kernel space is already expanded to RSDTtZXxKWP, but it is still RSDTtZX in perf sched tool. This patch update TASK_STATE_TO_CHAR_STR to the new value in kernel space. Signed-off-by: Dongsheng <yangds.fnst@cn.fujitsu.com> Link: http://lkml.kernel.org/r/6d2f55dc1e02c1e29a5d70bfeb9d6e8863caf2aa.1399273302.git.yangds.fnst@cn.fujitsu.com Signed-off-by: Jiri Olsa <jolsa@kernel.org>
2014-05-12perf tools: Add missing event for perf sched record.Dongsheng
We should record and process sched:sched_wakeup_new event in perf sched tool, but currently, there is the process function for it, without recording it in record subcommand. This patch add -e sched:sched_wakeup_new to perf sched record. Signed-off-by: Dongsheng <yangds.fnst@cn.fujitsu.com> Link: http://lkml.kernel.org/r/710c6edd2162b2cea1711443f54de47c0210d9fd.1399273302.git.yangds.fnst@cn.fujitsu.com Signed-off-by: Jiri Olsa <jolsa@kernel.org>
2014-05-07Merge branch 'perf/urgent' into perf/core, to avoid conflictsIngo Molnar
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2014-05-05Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds
Pull networking fixes from David Miller: 1) e1000e computes header length incorrectly wrt vlans, fix from Vlad Yasevich. 2) ns_capable() check in sock_diag netlink code, from Andrew Lutomirski. 3) Fix invalid queue pairs handling in virtio_net, from Amos Kong. 4) Checksum offloading busted in sxgbe driver due to incorrect descriptor layout, fix from Byungho An. 5) Fix build failure with SMC_DEBUG set to 2 or larger, from Zi Shen Lim. 6) Fix uninitialized A and X registers in BPF interpreter, from Alexei Starovoitov. 7) Fix arch dependencies of candence driver. 8) Fix netlink capabilities checking tree-wide, from Eric W Biederman. 9) Don't dump IFLA_VF_PORTS if netlink request didn't ask for it in IFLA_EXT_MASK, from David Gibson. 10) IPV6 FIB dump restart doesn't handle table changes that happen meanwhile, causing the code to loop forever or emit dups, fix from Kumar Sandararajan. 11) Memory leak on VF removal in bnx2x, from Yuval Mintz. 12) Bug fixes for new Altera TSE driver from Vince Bridgers. 13) Fix route lookup key in SCTP, from Xugeng Zhang. 14) Use BH blocking spinlocks in SLIP, as per a similar fix to CAN/SLCAN driver. From Oliver Hartkopp. 15) TCP doesn't bump retransmit counters in some code paths, fix from Eric Dumazet. 16) Clamp delayed_ack in tcp_cubic to prevent theoretical divides by zero. Fix from Liu Yu. 17) Fix locking imbalance in error paths of HHF packet scheduler, from John Fastabend. 18) Properly reference the transport module when vsock_core_init() runs, from Andy King. 19) Fix buffer overflow in cdc_ncm driver, from Bjørn Mork. 20) IP_ECN_decapsulate() doesn't see a correct SKB network header in ip_tunnel_rcv(), fix from Ying Cai. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (132 commits) net: macb: Fix race between HW and driver net: macb: Remove 'unlikely' optimization net: macb: Re-enable RX interrupt only when RX is done net: macb: Clear interrupt flags net: macb: Pass same size to DMA_UNMAP as used for DMA_MAP ip_tunnel: Set network header properly for IP_ECN_decapsulate() e1000e: Restrict MDIO Slow Mode workaround to relevant parts e1000e: Fix issue with link flap on 82579 e1000e: Expand workaround for 10Mb HD throughput bug e1000e: Workaround for dropped packets in Gig/100 speeds on 82579 net/mlx4_core: Don't issue PCIe speed/width checks for VFs net/mlx4_core: Load the Eth driver first net/mlx4_core: Fix slave id computation for single port VF net/mlx4_core: Adjust port number in qp_attach wrapper when detaching net: cdc_ncm: fix buffer overflow Altera TSE: ALTERA_TSE should depend on HAS_DMA vsock: Make transport the proto owner net: sched: lock imbalance in hhf qdisc net: mvmdio: Check for a valid interrupt instead of an error net phy: Check for aneg completion before setting state to PHY_RUNNING ...
2014-05-05perf tools: Move ACCESS_ONCE from perf.h headerJiri Olsa
Into tools/include/linux/compiler.h header. Acked-by: Arnaldo Carvalho de Melo <acme@redhat.com> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Arnaldo Carvalho de Melo <acme@kernel.org> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: Borislav Petkov <bp@suse.de> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/n/tip-9sk90owm370kuq3f0ssjjui2@git.kernel.org Signed-off-by: Jiri Olsa <jolsa@kernel.org>
2014-05-05perf tools: Move sys_perf_event_open function from perf.hJiri Olsa
Into perf-sys.h header, as requested by Peter: http://lkml.kernel.org/r/20140502115201.GI30445@twins.programming.kicks-ass.net Adding HAVE_ATTR_TEST define to turn off/on the attribute test code in the sys_perf_event_open function. Requested-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Acked-by: Arnaldo Carvalho de Melo <acme@redhat.com> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Arnaldo Carvalho de Melo <acme@kernel.org> Cc: Borislav Petkov <bp@suse.de> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1399293219-8732-10-git-send-email-jolsa@kernel.org Signed-off-by: Jiri Olsa <jolsa@kernel.org>
2014-05-05perf tools: Move syscall and arch specific defines from perf.hJiri Olsa
Into new perf-sys.h header. The main reason is to separate system specific perf data from perf tool stuff, so it could be used in small test programs, as requested Peter: http://lkml.kernel.org/r/20140502115201.GI30445@twins.programming.kicks-ass.net This separation makes the perf.h header more clear. Requested-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Acked-by: Arnaldo Carvalho de Melo <acme@redhat.com> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Arnaldo Carvalho de Melo <acme@kernel.org> Cc: Borislav Petkov <bp@suse.de> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1399293219-8732-9-git-send-email-jolsa@kernel.org Signed-off-by: Jiri Olsa <jolsa@kernel.org>
2014-05-05perf tools: Move perf_call_graph_mode enum from perf.hJiri Olsa
Into util/callchain.h header where all callchain related structures should be. Acked-by: Arnaldo Carvalho de Melo <acme@redhat.com> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Arnaldo Carvalho de Melo <acme@kernel.org> Cc: Borislav Petkov <bp@suse.de> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1399293219-8732-8-git-send-email-jolsa@kernel.org Signed-off-by: Jiri Olsa <jolsa@kernel.org>
2014-05-05perf tools: Move sample data structures from perf.hJiri Olsa
Into util/event.h header where all sample data structures are defined. Acked-by: Arnaldo Carvalho de Melo <acme@redhat.com> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Arnaldo Carvalho de Melo <acme@kernel.org> Cc: Borislav Petkov <bp@suse.de> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1399293219-8732-7-git-send-email-jolsa@kernel.org Signed-off-by: Jiri Olsa <jolsa@kernel.org>
2014-05-05perf tools: Remove PR_TASK_PERF_EVENTS_* from perf.hJiri Olsa
It's defined in include/uapi/linux/prctl.h header. Also it was never used in perf tool. Acked-by: Arnaldo Carvalho de Melo <acme@redhat.com> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Arnaldo Carvalho de Melo <acme@kernel.org> Cc: Borislav Petkov <bp@suse.de> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1399293219-8732-6-git-send-email-jolsa@kernel.org Signed-off-by: Jiri Olsa <jolsa@kernel.org>
2014-05-05perf tools: Remove asmlinkage define from perf.hJiri Olsa
As it's no longer used. Acked-by: Arnaldo Carvalho de Melo <acme@redhat.com> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Arnaldo Carvalho de Melo <acme@kernel.org> Cc: Borislav Petkov <bp@suse.de> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1399293219-8732-5-git-send-email-jolsa@kernel.org Signed-off-by: Jiri Olsa <jolsa@kernel.org>
2014-05-05perf tools: Remove min define from perf.hJiri Olsa
It's defined in tools/perf/util/include/linux/kernel.h header. Acked-by: Arnaldo Carvalho de Melo <acme@redhat.com> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Arnaldo Carvalho de Melo <acme@kernel.org> Cc: Borislav Petkov <bp@suse.de> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1399293219-8732-4-git-send-email-jolsa@kernel.org Signed-off-by: Jiri Olsa <jolsa@kernel.org>
2014-05-05perf tools: Remove unlikely define from perf.hJiri Olsa
It's defined in tools/include/linux/compiler.h header. Acked-by: Arnaldo Carvalho de Melo <acme@redhat.com> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Arnaldo Carvalho de Melo <acme@kernel.org> Cc: Borislav Petkov <bp@suse.de> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1399293219-8732-3-git-send-email-jolsa@kernel.org Signed-off-by: Jiri Olsa <jolsa@kernel.org>
2014-05-05perf tools: Remove MAX_COUNTERS define from perf.hJiri Olsa
As it's no longer used. Acked-by: Arnaldo Carvalho de Melo <acme@redhat.com> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Arnaldo Carvalho de Melo <acme@kernel.org> Cc: Borislav Petkov <bp@suse.de> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1399293219-8732-2-git-send-email-jolsa@kernel.org Signed-off-by: Jiri Olsa <jolsa@kernel.org>
2014-05-01tools: Consolidate types.hBorislav Petkov
Combine all definitions into a common tools/include/linux/types.h and kill the wild growth elsewhere. Move DECLARE_BITMAP to its proper bitmap.h header. Signed-off-by: Borislav Petkov <bp@suse.de> Acked-by: Rusty Russell <rusty@rustcorp.com.au> Link: http://lkml.kernel.org/n/tip-azczs7qcv6h9xek9od10hiv2@git.kernel.org Signed-off-by: Jiri Olsa <jolsa@kernel.org>
2014-05-01tools: Unify export.hBorislav Petkov
So tools/ has been growing three, at a different stage of their development export.h headers and so we should unite into one. Add tools/include/ to the include path of virtio and liblockdep to pick the shared header now. Signed-off-by: Borislav Petkov <bp@suse.de> Acked-by: Rusty Russell <rusty@rustcorp.com.au> Cc: Arnaldo Carvalho de Melo <acme@kernel.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: Michael S. Tsirkin <mst@redhat.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Sasha Levin <sasha.levin@oracle.com> Cc: virtio-dev@lists.oasis-open.org Cc: virtualization@lists.linux-foundation.org Link: http://lkml.kernel.org/r/1397493185-19521-2-git-send-email-bp@alien8.de Signed-off-by: Jiri Olsa <jolsa@kernel.org>
2014-05-01Merge branch 'perf-urgent-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull perf fixes from Ingo Molnar: "Mostly tooling fixes, plus an Intel RAPL PMU driver fix" * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf tests x86: Fix stack map lookup in dwarf unwind test perf x86: Fix perf to use non-executable stack, again perf tools: Remove extra '/' character in events file path perf machine: Search for modules in %s/lib/modules/%s perf tests: Add static build make test perf tools: Fix bfd dependency libraries detection perf tools: Use LDFLAGS instead of ALL_LDFLAGS perf/x86: Fix RAPL rdmsrl_safe() usage tools lib traceevent: Fix memory leak in pretty_print() tools lib traceevent: Fix backward compatibility macros for pevent filter enums perf tools: Disable libdw unwind for all but x86 arch perf tests x86: Fix memory leak in sample_ustack()
2014-05-01Merge tag 'perf-core-for-mingo' of ↵Ingo Molnar
git://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf into perf/core Pull perf/core improvements and fixes from Jiri Olsa: * Wire up perf_regs and unwind support for ARM64 (Jean Pihet) * Move u64_swap union to its single user's header, evsel.h (Borislav Petkov) * Fix for s390 to properly parse tracepoints plus test code (Alexander Yarygin) * Handle EINTR error for readn/writen (Namhyung Kim) Signed-off-by: Jiri Olsa <jolsa@kernel.org> Signed-off-by: Ingo Molnar <mingo@kernel.org>
2014-05-01Merge branch 'perf/urgent' into perf/core, to resolve conflictIngo Molnar
Conflicts: tools/perf/arch/x86/tests/dwarf-unwind.c Signed-off-by: Ingo Molnar <mingo@kernel.org>
2014-04-30bpf_dbg: fix wrong register usageBrendan Hickey
The AND instruction is erroneously using the X register instead of the K register. Signed-off-by: Brendan Hickey <bhickey@google.com> Signed-off-by: Daniel Borkmann <dborkman@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-04-30perf tests x86: Fix stack map lookup in dwarf unwind testJiri Olsa
Previous commit 'perf x86: Fix perf to use non-executable stack, again' moved stack map into MAP__VARIABLE map type again. Fixing the dwarf unwind test stack map lookup appropriately. Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Arnaldo Carvalho de Melo <acme@kernel.org> Cc: Jean Pihet <jean.pihet@linaro.org> Link: http://lkml.kernel.org/n/tip-ttzyhbe4zls24z7ednkmhvxl@git.kernel.org Signed-off-by: Jiri Olsa <jolsa@kernel.org>
2014-04-30perf x86: Fix perf to use non-executable stack, againMathias Krause
arch/x86/tests/regs_load.S is missing the linker note about the stack requirements, therefore making the linker fall back to an executable stack. As this object gets linked against the final perf binary, it'll needlessly end up with an executable stack. Fix this by adding the appropriate linker note. Also add a global linker flag to prevent future regressions, as suggested by Jiri. This way perf won't get an executable stack even if we fail to add the .GNU-stack linker note to future assembler files. Though, doing so might create regressions the other way around, when (statically) linking against libraries needing an executable stack. But, apparently, regressing in that direction is wanted as it is an indicator of poor code quality -- or just missing linker notes. Fixes: 3c8b06f981 ("perf tests x86: Introduce perf_regs_load function") Signed-off-by: Mathias Krause <minipli@googlemail.com> Acked-by: Ingo Molnar <mingo@kernel.org> Cc: Arnaldo Carvalho de Melo <acme@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1398617466-22749-1-git-send-email-minipli@googlemail.com Signed-off-by: Jiri Olsa <jolsa@kernel.org>
2014-04-30perf tools: Remove extra '/' character in events file pathXia Kaixu
The array debugfs_known_mountpoints[] will cause extra '/' character output. Remove it. pre: $ perf probe -l /sys/kernel/debug//tracing/uprobe_events file does not exist - please rebuild kernel with CONFIG_UPROBE_EVENTS. post: $ perf probe -l /sys/kernel/debug/tracing/uprobe_events file does not exist - please rebuild kernel with CONFIG_UPROBE_EVENTS. Signed-off-by: Xia Kaixu <xiakaixu@huawei.com> Acked-by: Namhyung Kim <namhyung@kernel.org> Link: http://lkml.kernel.org/r/535B6660.2060001@huawei.com Signed-off-by: Jiri Olsa <jolsa@kernel.org>
2014-04-30perf machine: Search for modules in %s/lib/modules/%sRichard Yao
Modules installed outside of the kernel's build system should go into "%s/lib/modules/%s/extra", but at present, perf will only look at them when they are in "%s/lib/modules/%s/kernel". Lets encourage good citizenship by relaxing this requirement to "%s/lib/modules/%s". This way open source modules that are out-of-tree have no incentive to start populating a directory reserved for in-kernel modules and I can stop hex-editing my system's perf binary when profiling OSS out-of-tree modules. Feedback from Namhyung Kim correctly revealed that the hex-edits that I had been doing meant that perf was also traversing the build and source symlinks in %s/lib/modules/%s. That is undesireable, so we explicitly exclude them from traversal with a minor tweak to the traversal routine. Signed-off-by: Richard Yao <ryao@gentoo.org> Acked-by: Namhyung kim <namhyung@kernel.org> Link: http://lkml.kernel.org/r/1398532675-13684-1-git-send-email-ryao@gentoo.org Signed-off-by: Jiri Olsa <jolsa@kernel.org>
2014-04-30perf tests: Add static build make testJiri Olsa
Adding test for building static perf build into the automated suite. Also available via following commands: $ make -f tests/make make_static - make_static: cd . && make -f Makefile DESTDIR=/tmp/tmp.7u5MlB4njo LDFLAGS=-static $ make -f tests/make make_static_O - make_static_O: cd . && make -f Makefile O=/tmp/tmp.Ay6r3wEmtX DESTDIR=/tmp/tmp.vK0KQwO0Vi LDFLAGS=-static Acked-by: David Ahern <dsahern@gmail.com> Cc: Arnaldo Carvalho de Melo <acme@kernel.org> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1398760413-7574-1-git-send-email-jolsa@kernel.org Signed-off-by: Jiri Olsa <jolsa@kernel.org>
2014-04-30perf tools: Fix bfd dependency libraries detectionJiri Olsa
There's false assumption in the library detection code assuming -liberty and -lz are always present once bfd is detected. The fails on Ubuntu (14.04) as reported by Ingo. Forcing the bdf dependency libraries detection any time bfd library is detected. Reported-by: Ingo Molnar <mingo@kernel.org> Tested-by: Ingo Molnar <mingo@kernel.org> Cc: Arnaldo Carvalho de Melo <acme@kernel.org> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1398676935-6615-1-git-send-email-jolsa@kernel.org Signed-off-by: Jiri Olsa <jolsa@kernel.org>
2014-04-30perf tools: Use LDFLAGS instead of ALL_LDFLAGSJiri Olsa
We no longer use ALL_LDFLAGS, Replacing with LDFLAGS. Acked-by: Namhyung Kim <namhyung@kernel.org> Cc: Arnaldo Carvalho de Melo <acme@kernel.org> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1398675770-3109-1-git-send-email-jolsa@kernel.org Signed-off-by: Jiri Olsa <jolsa@kernel.org>
2014-04-29perf tools ARM64: Wire up perf_regs and unwind supportJean Pihet
This patch hooks in the perf_regs and libunwind code for ARM64. The tools/perf/arch/arm64 is created; it contains the arch specific code for DWARF unwinding. Signed-off-by: Jean Pihet <jean.pihet@linaro.org> Acked-by: Will Deacon <will.deacon@arm.com> Link: http://lkml.kernel.org/r/1398688353-3737-1-git-send-email-jean.pihet@linaro.org Signed-off-by: Jiri Olsa <jolsa@kernel.org>
2014-04-29perf tools: Move u64_swap unionBorislav Petkov
... to its single user's header, evsel.h. Signed-off-by: Borislav Petkov <bp@suse.de> Link: http://lkml.kernel.org/r/tip-9os1chjyz12upubfsjc71d99@git.kernel.org Signed-off-by: Jiri Olsa <jolsa@kernel.org>
2014-04-29perf tests: Add a test of kvm-390: trace eventAlexander Yarygin
Add a s390 specific test of a hardcoded trace event with '-' in the name. Signed-off-by: Alexander Yarygin <yarygin@linux.vnet.ibm.com> Link: http://lkml.kernel.org/r/1398440047-6641-4-git-send-email-yarygin@linux.vnet.ibm.com Signed-off-by: Jiri Olsa <jolsa@kernel.org>
2014-04-29perf tests: Add numeric identifier to evlist_testAlexander Yarygin
In tests/parse-events.c test cases are declared in evlist_test[] arrays. Elements of arrays are initialized in following pattern: [i] = { .name = ..., .check = ..., }, When perf-test is running with '-v' option, 'i' variable will be printed for every existing test. However, we can't add any arch specific tests inside #ifdefs, because it will create collision between the element number inside #ifdef and the next one outside. This patch adds 'id' field in evlist_test, uses it as a test identifier and removes explicit numbering of array elements. This helps to number tests with gaps. Signed-off-by: Alexander Yarygin <yarygin@linux.vnet.ibm.com> Link: http://lkml.kernel.org/r/1398440047-6641-3-git-send-email-yarygin@linux.vnet.ibm.com Signed-off-by: Jiri Olsa <jolsa@kernel.org>
2014-04-29perf tools: Parse tracepoints with '-' in system nameAlexander Yarygin
Trace events potentially can have a '-' in their trace system name, e.g. kvm on s390 defines kvm-s390:* tracepoints. We could not parse them, because there was no rule for this: $ sudo ./perf top -e "kvm-s390:*" invalid or unsupported event: 'kvm-s390:*' This patch adds an extra rule to event_legacy_tracepoint which handles those cases. Without the patch, perf will not accept such tracepoints in the -e option. Signed-off-by: Alexander Yarygin <yarygin@linux.vnet.ibm.com> Tested-by: Christian Borntraeger <borntraeger@de.ibm.com> Acked-by: Christian Borntraeger <borntraeger@de.ibm.com> Link: http://lkml.kernel.org/r/1398440047-6641-2-git-send-email-yarygin@linux.vnet.ibm.com Signed-off-by: Jiri Olsa <jolsa@kernel.org>
2014-04-29perf tools: Handle EINTR error for readn/writenNamhyung Kim
Those readn/writen functions are to ensure read/write does I/O for a given size exactly. But ion() - its implementation - does not handle in case it returns prematurely due to a signal. As it's not an error itself so just retry the operation. Signed-off-by: Namhyung Kim <namhyung@kernel.org> Link: http://lkml.kernel.org/r/1398346054-3322-1-git-send-email-namhyung@kernel.org Signed-off-by: Jiri Olsa <jolsa@kernel.org>
2014-04-28perf tests: Add map groups sharing with thread object testJiri Olsa
This test create 2 processes abstractions, with several threads and checks they properly share and maintain map groups info. Acked-by: Namhyung Kim <namhyung@kernel.org> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Arnaldo Carvalho de Melo <acme@kernel.org> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <dsahern@gmail.com> Cc: Don Zickus <dzickus@redhat.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Mike Galbraith <efault@gmx.de> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/r/1397490723-1992-6-git-send-email-jolsa@redhat.com Signed-off-by: Jiri Olsa <jolsa@kernel.org>
2014-04-28perf tools: Share map_groups among threads of the same groupJiri Olsa
Sharing map groups within all process threads. This way there's only one copy of mmap info and it's reachable from any thread within the process. Original-patch-by: Arnaldo Carvalho de Melo <acme@kernel.org> Acked-by: Namhyung Kim <namhyung@kernel.org> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <dsahern@gmail.com> Cc: Don Zickus <dzickus@redhat.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Mike Galbraith <efault@gmx.de> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/r/1397490723-1992-5-git-send-email-jolsa@redhat.com Signed-off-by: Jiri Olsa <jolsa@kernel.org>
2014-04-28perf tools: Reference count map_groups objectsArnaldo Carvalho de Melo
We will share it among threads in the same process. Adding map_groups__get/map_groups__put interface for that. Signed-off-by: Arnaldo Carvalho de Melo <acme@kernel.org> Acked-by: Namhyung Kim <namhyung@kernel.org> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <dsahern@gmail.com> Cc: Don Zickus <dzickus@redhat.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Mike Galbraith <efault@gmx.de> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/r/1397490723-1992-4-git-send-email-jolsa@redhat.com Signed-off-by: Jiri Olsa <jolsa@kernel.org>
2014-04-28perf tools: Allocate thread map_groups's dynamicallyArnaldo Carvalho de Melo
Moving towards sharing map groups within a process threads. Because of this we need the map groups to be dynamically allocated. No other functional change is intended in here. Based on a patch by Jiri Olsa, but this time _just_ making the conversion from statically allocating thread->mg to turning it into a pointer and instead of initializing it at thread's constructor, introduce a constructor/destructor for the map_groups class and call at thread creation time. Later we will introduce the get/put methods when we move to sharing those map_groups, when the get/put refcounting semantics will be needed. Signed-off-by: Arnaldo Carvalho de Melo <acme@kernel.org> Acked-by: Namhyung Kim <namhyung@kernel.org> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <dsahern@gmail.com> Cc: Don Zickus <dzickus@redhat.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Mike Galbraith <efault@gmx.de> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/r/1397490723-1992-3-git-send-email-jolsa@redhat.com Signed-off-by: Jiri Olsa <jolsa@kernel.org>
2014-04-28perf tests: Add thread maps lookup automated testsJiri Olsa
Adding automated test for memory maps lookup within multiple machines threads. The test creates 4 threads and separated memory maps. It checks that we could use thread__find_addr_map function with thread object based on TID to find memory maps. Acked-by: Namhyung Kim <namhyung@kernel.org> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Arnaldo Carvalho de Melo <acme@kernel.org> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <dsahern@gmail.com> Cc: Don Zickus <dzickus@redhat.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Mike Galbraith <efault@gmx.de> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/r/1397490723-1992-2-git-send-email-jolsa@redhat.com Signed-off-by: Jiri Olsa <jolsa@kernel.org>
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