diff options
Diffstat (limited to 'tools/perf/arch/arm')
| -rw-r--r-- | tools/perf/arch/arm/Build | 4 | ||||
| -rw-r--r-- | tools/perf/arch/arm/Makefile | 3 | ||||
| -rw-r--r-- | tools/perf/arch/arm/annotate/instructions.c | 2 | ||||
| -rw-r--r-- | tools/perf/arch/arm/entry/syscalls/syscall.tbl | 484 | ||||
| -rw-r--r-- | tools/perf/arch/arm/tests/Build | 8 | ||||
| -rw-r--r-- | tools/perf/arch/arm/tests/dwarf-unwind.c | 2 | ||||
| -rw-r--r-- | tools/perf/arch/arm/util/Build | 10 | ||||
| -rw-r--r-- | tools/perf/arch/arm/util/cs-etm.c | 381 | ||||
| -rw-r--r-- | tools/perf/arch/arm/util/dwarf-regs.c | 61 | ||||
| -rw-r--r-- | tools/perf/arch/arm/util/pmu.c | 16 | ||||
| -rw-r--r-- | tools/perf/arch/arm/util/unwind-libdw.c | 2 |
11 files changed, 688 insertions, 285 deletions
diff --git a/tools/perf/arch/arm/Build b/tools/perf/arch/arm/Build index 36222e64bbf7..317425aa3712 100644 --- a/tools/perf/arch/arm/Build +++ b/tools/perf/arch/arm/Build @@ -1,2 +1,2 @@ -perf-y += util/ -perf-$(CONFIG_DWARF_UNWIND) += tests/ +perf-util-y += util/ +perf-test-$(CONFIG_DWARF_UNWIND) += tests/ diff --git a/tools/perf/arch/arm/Makefile b/tools/perf/arch/arm/Makefile index 1d88fdab13bf..8b59ce8efb89 100644 --- a/tools/perf/arch/arm/Makefile +++ b/tools/perf/arch/arm/Makefile @@ -1,5 +1,2 @@ # SPDX-License-Identifier: GPL-2.0-only -ifndef NO_DWARF -PERF_HAVE_DWARF_REGS := 1 -endif PERF_HAVE_JITDUMP := 1 diff --git a/tools/perf/arch/arm/annotate/instructions.c b/tools/perf/arch/arm/annotate/instructions.c index 2ff6cedeb9c5..cf91a43362b0 100644 --- a/tools/perf/arch/arm/annotate/instructions.c +++ b/tools/perf/arch/arm/annotate/instructions.c @@ -53,6 +53,8 @@ static int arm__annotate_init(struct arch *arch, char *cpuid __maybe_unused) arch->associate_instruction_ops = arm__associate_instruction_ops; arch->objdump.comment_char = ';'; arch->objdump.skip_functions_char = '+'; + arch->e_machine = EM_ARM; + arch->e_flags = 0; return 0; out_free_call: diff --git a/tools/perf/arch/arm/entry/syscalls/syscall.tbl b/tools/perf/arch/arm/entry/syscalls/syscall.tbl new file mode 100644 index 000000000000..27c1d5ebcd91 --- /dev/null +++ b/tools/perf/arch/arm/entry/syscalls/syscall.tbl @@ -0,0 +1,484 @@ +# SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note +# +# Linux system call numbers and entry vectors +# +# The format is: +# <num> <abi> <name> [<entry point> [<oabi compat entry point>]] +# +# Where abi is: +# common - for system calls shared between oabi and eabi (may have compat) +# oabi - for oabi-only system calls (may have compat) +# eabi - for eabi-only system calls +# +# For each syscall number, "common" is mutually exclusive with oabi and eabi +# +0 common restart_syscall sys_restart_syscall +1 common exit sys_exit +2 common fork sys_fork +3 common read sys_read +4 common write sys_write +5 common open sys_open +6 common close sys_close +# 7 was sys_waitpid +8 common creat sys_creat +9 common link sys_link +10 common unlink sys_unlink +11 common execve sys_execve +12 common chdir sys_chdir +13 oabi time sys_time32 +14 common mknod sys_mknod +15 common chmod sys_chmod +16 common lchown sys_lchown16 +# 17 was sys_break +# 18 was sys_stat +19 common lseek sys_lseek +20 common getpid sys_getpid +21 common mount sys_mount +22 oabi umount sys_oldumount +23 common setuid sys_setuid16 +24 common getuid sys_getuid16 +25 oabi stime sys_stime32 +26 common ptrace sys_ptrace +27 oabi alarm sys_alarm +# 28 was sys_fstat +29 common pause sys_pause +30 oabi utime sys_utime32 +# 31 was sys_stty +# 32 was sys_gtty +33 common access sys_access +34 common nice sys_nice +# 35 was sys_ftime +36 common sync sys_sync +37 common kill sys_kill +38 common rename sys_rename +39 common mkdir sys_mkdir +40 common rmdir sys_rmdir +41 common dup sys_dup +42 common pipe sys_pipe +43 common times sys_times +# 44 was sys_prof +45 common brk sys_brk +46 common setgid sys_setgid16 +47 common getgid sys_getgid16 +# 48 was sys_signal +49 common geteuid sys_geteuid16 +50 common getegid sys_getegid16 +51 common acct sys_acct +52 common umount2 sys_umount +# 53 was sys_lock +54 common ioctl sys_ioctl +55 common fcntl sys_fcntl +# 56 was sys_mpx +57 common setpgid sys_setpgid +# 58 was sys_ulimit +# 59 was sys_olduname +60 common umask sys_umask +61 common chroot sys_chroot +62 common ustat sys_ustat +63 common dup2 sys_dup2 +64 common getppid sys_getppid +65 common getpgrp sys_getpgrp +66 common setsid sys_setsid +67 common sigaction sys_sigaction +# 68 was sys_sgetmask +# 69 was sys_ssetmask +70 common setreuid sys_setreuid16 +71 common setregid sys_setregid16 +72 common sigsuspend sys_sigsuspend +73 common sigpending sys_sigpending +74 common sethostname sys_sethostname +75 common setrlimit sys_setrlimit +# Back compat 2GB limited rlimit +76 oabi getrlimit sys_old_getrlimit +77 common getrusage sys_getrusage +78 common gettimeofday sys_gettimeofday +79 common settimeofday sys_settimeofday +80 common getgroups sys_getgroups16 +81 common setgroups sys_setgroups16 +82 oabi select sys_old_select +83 common symlink sys_symlink +# 84 was sys_lstat +85 common readlink sys_readlink +86 common uselib sys_uselib +87 common swapon sys_swapon +88 common reboot sys_reboot +89 oabi readdir sys_old_readdir +90 oabi mmap sys_old_mmap +91 common munmap sys_munmap +92 common truncate sys_truncate +93 common ftruncate sys_ftruncate +94 common fchmod sys_fchmod +95 common fchown sys_fchown16 +96 common getpriority sys_getpriority +97 common setpriority sys_setpriority +# 98 was sys_profil +99 common statfs sys_statfs +100 common fstatfs sys_fstatfs +# 101 was sys_ioperm +102 oabi socketcall sys_socketcall sys_oabi_socketcall +103 common syslog sys_syslog +104 common setitimer sys_setitimer +105 common getitimer sys_getitimer +106 common stat sys_newstat +107 common lstat sys_newlstat +108 common fstat sys_newfstat +# 109 was sys_uname +# 110 was sys_iopl +111 common vhangup sys_vhangup +# 112 was sys_idle +# syscall to call a syscall! +113 oabi syscall sys_syscall +114 common wait4 sys_wait4 +115 common swapoff sys_swapoff +116 common sysinfo sys_sysinfo +117 oabi ipc sys_ipc sys_oabi_ipc +118 common fsync sys_fsync +119 common sigreturn sys_sigreturn_wrapper +120 common clone sys_clone +121 common setdomainname sys_setdomainname +122 common uname sys_newuname +# 123 was sys_modify_ldt +124 common adjtimex sys_adjtimex_time32 +125 common mprotect sys_mprotect +126 common sigprocmask sys_sigprocmask +# 127 was sys_create_module +128 common init_module sys_init_module +129 common delete_module sys_delete_module +# 130 was sys_get_kernel_syms +131 common quotactl sys_quotactl +132 common getpgid sys_getpgid +133 common fchdir sys_fchdir +134 common bdflush sys_ni_syscall +135 common sysfs sys_sysfs +136 common personality sys_personality +# 137 was sys_afs_syscall +138 common setfsuid sys_setfsuid16 +139 common setfsgid sys_setfsgid16 +140 common _llseek sys_llseek +141 common getdents sys_getdents +142 common _newselect sys_select +143 common flock sys_flock +144 common msync sys_msync +145 common readv sys_readv +146 common writev sys_writev +147 common getsid sys_getsid +148 common fdatasync sys_fdatasync +149 common _sysctl sys_ni_syscall +150 common mlock sys_mlock +151 common munlock sys_munlock +152 common mlockall sys_mlockall +153 common munlockall sys_munlockall +154 common sched_setparam sys_sched_setparam +155 common sched_getparam sys_sched_getparam +156 common sched_setscheduler sys_sched_setscheduler +157 common sched_getscheduler sys_sched_getscheduler +158 common sched_yield sys_sched_yield +159 common sched_get_priority_max sys_sched_get_priority_max +160 common sched_get_priority_min sys_sched_get_priority_min +161 common sched_rr_get_interval sys_sched_rr_get_interval_time32 +162 common nanosleep sys_nanosleep_time32 +163 common mremap sys_mremap +164 common setresuid sys_setresuid16 +165 common getresuid sys_getresuid16 +# 166 was sys_vm86 +# 167 was sys_query_module +168 common poll sys_poll +169 common nfsservctl +170 common setresgid sys_setresgid16 +171 common getresgid sys_getresgid16 +172 common prctl sys_prctl +173 common rt_sigreturn sys_rt_sigreturn_wrapper +174 common rt_sigaction sys_rt_sigaction +175 common rt_sigprocmask sys_rt_sigprocmask +176 common rt_sigpending sys_rt_sigpending +177 common rt_sigtimedwait sys_rt_sigtimedwait_time32 +178 common rt_sigqueueinfo sys_rt_sigqueueinfo +179 common rt_sigsuspend sys_rt_sigsuspend +180 common pread64 sys_pread64 sys_oabi_pread64 +181 common pwrite64 sys_pwrite64 sys_oabi_pwrite64 +182 common chown sys_chown16 +183 common getcwd sys_getcwd +184 common capget sys_capget +185 common capset sys_capset +186 common sigaltstack sys_sigaltstack +187 common sendfile sys_sendfile +# 188 reserved +# 189 reserved +190 common vfork sys_vfork +# SuS compliant getrlimit +191 common ugetrlimit sys_getrlimit +192 common mmap2 sys_mmap2 +193 common truncate64 sys_truncate64 sys_oabi_truncate64 +194 common ftruncate64 sys_ftruncate64 sys_oabi_ftruncate64 +195 common stat64 sys_stat64 sys_oabi_stat64 +196 common lstat64 sys_lstat64 sys_oabi_lstat64 +197 common fstat64 sys_fstat64 sys_oabi_fstat64 +198 common lchown32 sys_lchown +199 common getuid32 sys_getuid +200 common getgid32 sys_getgid +201 common geteuid32 sys_geteuid +202 common getegid32 sys_getegid +203 common setreuid32 sys_setreuid +204 common setregid32 sys_setregid +205 common getgroups32 sys_getgroups +206 common setgroups32 sys_setgroups +207 common fchown32 sys_fchown +208 common setresuid32 sys_setresuid +209 common getresuid32 sys_getresuid +210 common setresgid32 sys_setresgid +211 common getresgid32 sys_getresgid +212 common chown32 sys_chown +213 common setuid32 sys_setuid +214 common setgid32 sys_setgid +215 common setfsuid32 sys_setfsuid +216 common setfsgid32 sys_setfsgid +217 common getdents64 sys_getdents64 +218 common pivot_root sys_pivot_root +219 common mincore sys_mincore +220 common madvise sys_madvise +221 common fcntl64 sys_fcntl64 sys_oabi_fcntl64 +# 222 for tux +# 223 is unused +224 common gettid sys_gettid +225 common readahead sys_readahead sys_oabi_readahead +226 common setxattr sys_setxattr +227 common lsetxattr sys_lsetxattr +228 common fsetxattr sys_fsetxattr +229 common getxattr sys_getxattr +230 common lgetxattr sys_lgetxattr +231 common fgetxattr sys_fgetxattr +232 common listxattr sys_listxattr +233 common llistxattr sys_llistxattr +234 common flistxattr sys_flistxattr +235 common removexattr sys_removexattr +236 common lremovexattr sys_lremovexattr +237 common fremovexattr sys_fremovexattr +238 common tkill sys_tkill +239 common sendfile64 sys_sendfile64 +240 common futex sys_futex_time32 +241 common sched_setaffinity sys_sched_setaffinity +242 common sched_getaffinity sys_sched_getaffinity +243 common io_setup sys_io_setup +244 common io_destroy sys_io_destroy +245 common io_getevents sys_io_getevents_time32 +246 common io_submit sys_io_submit +247 common io_cancel sys_io_cancel +248 common exit_group sys_exit_group +249 common lookup_dcookie sys_ni_syscall +250 common epoll_create sys_epoll_create +251 common epoll_ctl sys_epoll_ctl sys_oabi_epoll_ctl +252 common epoll_wait sys_epoll_wait +253 common remap_file_pages sys_remap_file_pages +# 254 for set_thread_area +# 255 for get_thread_area +256 common set_tid_address sys_set_tid_address +257 common timer_create sys_timer_create +258 common timer_settime sys_timer_settime32 +259 common timer_gettime sys_timer_gettime32 +260 common timer_getoverrun sys_timer_getoverrun +261 common timer_delete sys_timer_delete +262 common clock_settime sys_clock_settime32 +263 common clock_gettime sys_clock_gettime32 +264 common clock_getres sys_clock_getres_time32 +265 common clock_nanosleep sys_clock_nanosleep_time32 +266 common statfs64 sys_statfs64_wrapper +267 common fstatfs64 sys_fstatfs64_wrapper +268 common tgkill sys_tgkill +269 common utimes sys_utimes_time32 +270 common arm_fadvise64_64 sys_arm_fadvise64_64 +271 common pciconfig_iobase sys_pciconfig_iobase +272 common pciconfig_read sys_pciconfig_read +273 common pciconfig_write sys_pciconfig_write +274 common mq_open sys_mq_open +275 common mq_unlink sys_mq_unlink +276 common mq_timedsend sys_mq_timedsend_time32 +277 common mq_timedreceive sys_mq_timedreceive_time32 +278 common mq_notify sys_mq_notify +279 common mq_getsetattr sys_mq_getsetattr +280 common waitid sys_waitid +281 common socket sys_socket +282 common bind sys_bind sys_oabi_bind +283 common connect sys_connect sys_oabi_connect +284 common listen sys_listen +285 common accept sys_accept +286 common getsockname sys_getsockname +287 common getpeername sys_getpeername +288 common socketpair sys_socketpair +289 common send sys_send +290 common sendto sys_sendto sys_oabi_sendto +291 common recv sys_recv +292 common recvfrom sys_recvfrom +293 common shutdown sys_shutdown +294 common setsockopt sys_setsockopt +295 common getsockopt sys_getsockopt +296 common sendmsg sys_sendmsg sys_oabi_sendmsg +297 common recvmsg sys_recvmsg +298 common semop sys_semop sys_oabi_semop +299 common semget sys_semget +300 common semctl sys_old_semctl +301 common msgsnd sys_msgsnd +302 common msgrcv sys_msgrcv +303 common msgget sys_msgget +304 common msgctl sys_old_msgctl +305 common shmat sys_shmat +306 common shmdt sys_shmdt +307 common shmget sys_shmget +308 common shmctl sys_old_shmctl +309 common add_key sys_add_key +310 common request_key sys_request_key +311 common keyctl sys_keyctl +312 common semtimedop sys_semtimedop_time32 sys_oabi_semtimedop +313 common vserver +314 common ioprio_set sys_ioprio_set +315 common ioprio_get sys_ioprio_get +316 common inotify_init sys_inotify_init +317 common inotify_add_watch sys_inotify_add_watch +318 common inotify_rm_watch sys_inotify_rm_watch +319 common mbind sys_mbind +320 common get_mempolicy sys_get_mempolicy +321 common set_mempolicy sys_set_mempolicy +322 common openat sys_openat +323 common mkdirat sys_mkdirat +324 common mknodat sys_mknodat +325 common fchownat sys_fchownat +326 common futimesat sys_futimesat_time32 +327 common fstatat64 sys_fstatat64 sys_oabi_fstatat64 +328 common unlinkat sys_unlinkat +329 common renameat sys_renameat +330 common linkat sys_linkat +331 common symlinkat sys_symlinkat +332 common readlinkat sys_readlinkat +333 common fchmodat sys_fchmodat +334 common faccessat sys_faccessat +335 common pselect6 sys_pselect6_time32 +336 common ppoll sys_ppoll_time32 +337 common unshare sys_unshare +338 common set_robust_list sys_set_robust_list +339 common get_robust_list sys_get_robust_list +340 common splice sys_splice +341 common arm_sync_file_range sys_sync_file_range2 +342 common tee sys_tee +343 common vmsplice sys_vmsplice +344 common move_pages sys_move_pages +345 common getcpu sys_getcpu +346 common epoll_pwait sys_epoll_pwait +347 common kexec_load sys_kexec_load +348 common utimensat sys_utimensat_time32 +349 common signalfd sys_signalfd +350 common timerfd_create sys_timerfd_create +351 common eventfd sys_eventfd +352 common fallocate sys_fallocate +353 common timerfd_settime sys_timerfd_settime32 +354 common timerfd_gettime sys_timerfd_gettime32 +355 common signalfd4 sys_signalfd4 +356 common eventfd2 sys_eventfd2 +357 common epoll_create1 sys_epoll_create1 +358 common dup3 sys_dup3 +359 common pipe2 sys_pipe2 +360 common inotify_init1 sys_inotify_init1 +361 common preadv sys_preadv +362 common pwritev sys_pwritev +363 common rt_tgsigqueueinfo sys_rt_tgsigqueueinfo +364 common perf_event_open sys_perf_event_open +365 common recvmmsg sys_recvmmsg_time32 +366 common accept4 sys_accept4 +367 common fanotify_init sys_fanotify_init +368 common fanotify_mark sys_fanotify_mark +369 common prlimit64 sys_prlimit64 +370 common name_to_handle_at sys_name_to_handle_at +371 common open_by_handle_at sys_open_by_handle_at +372 common clock_adjtime sys_clock_adjtime32 +373 common syncfs sys_syncfs +374 common sendmmsg sys_sendmmsg +375 common setns sys_setns +376 common process_vm_readv sys_process_vm_readv +377 common process_vm_writev sys_process_vm_writev +378 common kcmp sys_kcmp +379 common finit_module sys_finit_module +380 common sched_setattr sys_sched_setattr +381 common sched_getattr sys_sched_getattr +382 common renameat2 sys_renameat2 +383 common seccomp sys_seccomp +384 common getrandom sys_getrandom +385 common memfd_create sys_memfd_create +386 common bpf sys_bpf +387 common execveat sys_execveat +388 common userfaultfd sys_userfaultfd +389 common membarrier sys_membarrier +390 common mlock2 sys_mlock2 +391 common copy_file_range sys_copy_file_range +392 common preadv2 sys_preadv2 +393 common pwritev2 sys_pwritev2 +394 common pkey_mprotect sys_pkey_mprotect +395 common pkey_alloc sys_pkey_alloc +396 common pkey_free sys_pkey_free +397 common statx sys_statx +398 common rseq sys_rseq +399 common io_pgetevents sys_io_pgetevents_time32 +400 common migrate_pages sys_migrate_pages +401 common kexec_file_load sys_kexec_file_load +# 402 is unused +403 common clock_gettime64 sys_clock_gettime +404 common clock_settime64 sys_clock_settime +405 common clock_adjtime64 sys_clock_adjtime +406 common clock_getres_time64 sys_clock_getres +407 common clock_nanosleep_time64 sys_clock_nanosleep +408 common timer_gettime64 sys_timer_gettime +409 common timer_settime64 sys_timer_settime +410 common timerfd_gettime64 sys_timerfd_gettime +411 common timerfd_settime64 sys_timerfd_settime +412 common utimensat_time64 sys_utimensat +413 common pselect6_time64 sys_pselect6 +414 common ppoll_time64 sys_ppoll +416 common io_pgetevents_time64 sys_io_pgetevents +417 common recvmmsg_time64 sys_recvmmsg +418 common mq_timedsend_time64 sys_mq_timedsend +419 common mq_timedreceive_time64 sys_mq_timedreceive +420 common semtimedop_time64 sys_semtimedop +421 common rt_sigtimedwait_time64 sys_rt_sigtimedwait +422 common futex_time64 sys_futex +423 common sched_rr_get_interval_time64 sys_sched_rr_get_interval +424 common pidfd_send_signal sys_pidfd_send_signal +425 common io_uring_setup sys_io_uring_setup +426 common io_uring_enter sys_io_uring_enter +427 common io_uring_register sys_io_uring_register +428 common open_tree sys_open_tree +429 common move_mount sys_move_mount +430 common fsopen sys_fsopen +431 common fsconfig sys_fsconfig +432 common fsmount sys_fsmount +433 common fspick sys_fspick +434 common pidfd_open sys_pidfd_open +435 common clone3 sys_clone3 +436 common close_range sys_close_range +437 common openat2 sys_openat2 +438 common pidfd_getfd sys_pidfd_getfd +439 common faccessat2 sys_faccessat2 +440 common process_madvise sys_process_madvise +441 common epoll_pwait2 sys_epoll_pwait2 +442 common mount_setattr sys_mount_setattr +443 common quotactl_fd sys_quotactl_fd +444 common landlock_create_ruleset sys_landlock_create_ruleset +445 common landlock_add_rule sys_landlock_add_rule +446 common landlock_restrict_self sys_landlock_restrict_self +# 447 reserved for memfd_secret +448 common process_mrelease sys_process_mrelease +449 common futex_waitv sys_futex_waitv +450 common set_mempolicy_home_node sys_set_mempolicy_home_node +451 common cachestat sys_cachestat +452 common fchmodat2 sys_fchmodat2 +453 common map_shadow_stack sys_map_shadow_stack +454 common futex_wake sys_futex_wake +455 common futex_wait sys_futex_wait +456 common futex_requeue sys_futex_requeue +457 common statmount sys_statmount +458 common listmount sys_listmount +459 common lsm_get_self_attr sys_lsm_get_self_attr +460 common lsm_set_self_attr sys_lsm_set_self_attr +461 common lsm_list_modules sys_lsm_list_modules +462 common mseal sys_mseal +463 common setxattrat sys_setxattrat +464 common getxattrat sys_getxattrat +465 common listxattrat sys_listxattrat +466 common removexattrat sys_removexattrat +467 common open_tree_attr sys_open_tree_attr diff --git a/tools/perf/arch/arm/tests/Build b/tools/perf/arch/arm/tests/Build index bc8e97380c82..599efa545727 100644 --- a/tools/perf/arch/arm/tests/Build +++ b/tools/perf/arch/arm/tests/Build @@ -1,5 +1,5 @@ -perf-y += regs_load.o -perf-y += dwarf-unwind.o -perf-y += vectors-page.o +perf-test-y += regs_load.o +perf-test-y += dwarf-unwind.o +perf-test-y += vectors-page.o -perf-y += arch-tests.o +perf-test-y += arch-tests.o diff --git a/tools/perf/arch/arm/tests/dwarf-unwind.c b/tools/perf/arch/arm/tests/dwarf-unwind.c index 9bc304cb7762..f421910e0709 100644 --- a/tools/perf/arch/arm/tests/dwarf-unwind.c +++ b/tools/perf/arch/arm/tests/dwarf-unwind.c @@ -45,7 +45,7 @@ static int sample_ustack(struct perf_sample *sample, int test__arch_unwind_sample(struct perf_sample *sample, struct thread *thread) { - struct regs_dump *regs = &sample->user_regs; + struct regs_dump *regs = perf_sample__user_regs(sample); u64 *buf; buf = calloc(1, sizeof(u64) * PERF_REGS_MAX); diff --git a/tools/perf/arch/arm/util/Build b/tools/perf/arch/arm/util/Build index 37fc63708966..f7a8b37d1c68 100644 --- a/tools/perf/arch/arm/util/Build +++ b/tools/perf/arch/arm/util/Build @@ -1,8 +1,6 @@ -perf-y += perf_regs.o +perf-util-y += perf_regs.o -perf-$(CONFIG_DWARF) += dwarf-regs.o +perf-util-$(CONFIG_LOCAL_LIBUNWIND) += unwind-libunwind.o +perf-util-$(CONFIG_LIBDW_DWARF_UNWIND) += unwind-libdw.o -perf-$(CONFIG_LOCAL_LIBUNWIND) += unwind-libunwind.o -perf-$(CONFIG_LIBDW_DWARF_UNWIND) += unwind-libdw.o - -perf-$(CONFIG_AUXTRACE) += pmu.o auxtrace.o cs-etm.o +perf-util-$(CONFIG_AUXTRACE) += pmu.o auxtrace.o cs-etm.o diff --git a/tools/perf/arch/arm/util/cs-etm.c b/tools/perf/arch/arm/util/cs-etm.c index 77e6663c1703..ea891d12f8f4 100644 --- a/tools/perf/arch/arm/util/cs-etm.c +++ b/tools/perf/arch/arm/util/cs-etm.c @@ -66,18 +66,30 @@ static const char * const metadata_ete_ro[] = { [CS_ETE_TS_SOURCE] = "ts_source", }; -static bool cs_etm_is_etmv4(struct auxtrace_record *itr, int cpu); -static bool cs_etm_is_ete(struct auxtrace_record *itr, int cpu); +enum cs_etm_version { CS_NOT_PRESENT, CS_ETMV3, CS_ETMV4, CS_ETE }; -static int cs_etm_validate_context_id(struct auxtrace_record *itr, - struct evsel *evsel, int cpu) +static bool cs_etm_is_ete(struct perf_pmu *cs_etm_pmu, struct perf_cpu cpu); +static int cs_etm_get_ro(struct perf_pmu *pmu, struct perf_cpu cpu, const char *path, __u64 *val); +static bool cs_etm_pmu_path_exists(struct perf_pmu *pmu, struct perf_cpu cpu, const char *path); + +static enum cs_etm_version cs_etm_get_version(struct perf_pmu *cs_etm_pmu, + struct perf_cpu cpu) +{ + if (cs_etm_is_ete(cs_etm_pmu, cpu)) + return CS_ETE; + else if (cs_etm_pmu_path_exists(cs_etm_pmu, cpu, metadata_etmv4_ro[CS_ETMV4_TRCIDR0])) + return CS_ETMV4; + else if (cs_etm_pmu_path_exists(cs_etm_pmu, cpu, metadata_etmv3_ro[CS_ETM_ETMCCER])) + return CS_ETMV3; + + return CS_NOT_PRESENT; +} + +static int cs_etm_validate_context_id(struct perf_pmu *cs_etm_pmu, struct evsel *evsel, + struct perf_cpu cpu) { - struct cs_etm_recording *ptr = - container_of(itr, struct cs_etm_recording, itr); - struct perf_pmu *cs_etm_pmu = ptr->cs_etm_pmu; - char path[PATH_MAX]; int err; - u32 val; + __u64 val; u64 contextid = evsel->core.attr.config & (perf_pmu__format_bits(cs_etm_pmu, "contextid") | perf_pmu__format_bits(cs_etm_pmu, "contextid1") | @@ -87,23 +99,16 @@ static int cs_etm_validate_context_id(struct auxtrace_record *itr, return 0; /* Not supported in etmv3 */ - if (!cs_etm_is_etmv4(itr, cpu)) { + if (cs_etm_get_version(cs_etm_pmu, cpu) == CS_ETMV3) { pr_err("%s: contextid not supported in ETMv3, disable with %s/contextid=0/\n", CORESIGHT_ETM_PMU_NAME, CORESIGHT_ETM_PMU_NAME); return -EINVAL; } /* Get a handle on TRCIDR2 */ - snprintf(path, PATH_MAX, "cpu%d/%s", - cpu, metadata_etmv4_ro[CS_ETMV4_TRCIDR2]); - err = perf_pmu__scan_file(cs_etm_pmu, path, "%x", &val); - - /* There was a problem reading the file, bailing out */ - if (err != 1) { - pr_err("%s: can't read file %s\n", CORESIGHT_ETM_PMU_NAME, - path); + err = cs_etm_get_ro(cs_etm_pmu, cpu, metadata_etmv4_ro[CS_ETMV4_TRCIDR2], &val); + if (err) return err; - } if (contextid & perf_pmu__format_bits(cs_etm_pmu, "contextid1")) { @@ -140,37 +145,26 @@ static int cs_etm_validate_context_id(struct auxtrace_record *itr, return 0; } -static int cs_etm_validate_timestamp(struct auxtrace_record *itr, - struct evsel *evsel, int cpu) +static int cs_etm_validate_timestamp(struct perf_pmu *cs_etm_pmu, struct evsel *evsel, + struct perf_cpu cpu) { - struct cs_etm_recording *ptr = - container_of(itr, struct cs_etm_recording, itr); - struct perf_pmu *cs_etm_pmu = ptr->cs_etm_pmu; - char path[PATH_MAX]; int err; - u32 val; + __u64 val; if (!(evsel->core.attr.config & perf_pmu__format_bits(cs_etm_pmu, "timestamp"))) return 0; - if (!cs_etm_is_etmv4(itr, cpu)) { + if (cs_etm_get_version(cs_etm_pmu, cpu) == CS_ETMV3) { pr_err("%s: timestamp not supported in ETMv3, disable with %s/timestamp=0/\n", CORESIGHT_ETM_PMU_NAME, CORESIGHT_ETM_PMU_NAME); return -EINVAL; } /* Get a handle on TRCIRD0 */ - snprintf(path, PATH_MAX, "cpu%d/%s", - cpu, metadata_etmv4_ro[CS_ETMV4_TRCIDR0]); - err = perf_pmu__scan_file(cs_etm_pmu, path, "%x", &val); - - /* There was a problem reading the file, bailing out */ - if (err != 1) { - pr_err("%s: can't read file %s\n", - CORESIGHT_ETM_PMU_NAME, path); + err = cs_etm_get_ro(cs_etm_pmu, cpu, metadata_etmv4_ro[CS_ETMV4_TRCIDR0], &val); + if (err) return err; - } /* * TRCIDR0.TSSIZE, bit [28-24], indicates whether global timestamping @@ -187,6 +181,13 @@ static int cs_etm_validate_timestamp(struct auxtrace_record *itr, return 0; } +static struct perf_pmu *cs_etm_get_pmu(struct auxtrace_record *itr) +{ + struct cs_etm_recording *ptr = container_of(itr, struct cs_etm_recording, itr); + + return ptr->cs_etm_pmu; +} + /* * Check whether the requested timestamp and contextid options should be * available on all requested CPUs and if not, tell the user how to override. @@ -194,41 +195,45 @@ static int cs_etm_validate_timestamp(struct auxtrace_record *itr, * first is better. In theory the kernel could still disable the option for * some other reason so this is best effort only. */ -static int cs_etm_validate_config(struct auxtrace_record *itr, +static int cs_etm_validate_config(struct perf_pmu *cs_etm_pmu, struct evsel *evsel) { - int i, err = -EINVAL; + int idx, err = 0; struct perf_cpu_map *event_cpus = evsel->evlist->core.user_requested_cpus; - struct perf_cpu_map *online_cpus = perf_cpu_map__new_online_cpus(); + struct perf_cpu_map *intersect_cpus; + struct perf_cpu cpu; - /* Set option of each CPU we have */ - for (i = 0; i < cpu__max_cpu().cpu; i++) { - struct perf_cpu cpu = { .cpu = i, }; - - /* - * In per-cpu case, do the validation for CPUs to work with. - * In per-thread case, the CPU map is empty. Since the traced - * program can run on any CPUs in this case, thus don't skip - * validation. - */ - if (!perf_cpu_map__has_any_cpu_or_is_empty(event_cpus) && - !perf_cpu_map__has(event_cpus, cpu)) - continue; + /* + * Set option of each CPU we have. In per-cpu case, do the validation + * for CPUs to work with. In per-thread case, the CPU map has the "any" + * CPU value. Since the traced program can run on any CPUs in this case, + * thus don't skip validation. + */ + if (!perf_cpu_map__has_any_cpu(event_cpus)) { + struct perf_cpu_map *online_cpus = perf_cpu_map__new_online_cpus(); - if (!perf_cpu_map__has(online_cpus, cpu)) - continue; + intersect_cpus = perf_cpu_map__intersect(event_cpus, online_cpus); + perf_cpu_map__put(online_cpus); + } else { + intersect_cpus = perf_cpu_map__new_online_cpus(); + } - err = cs_etm_validate_context_id(itr, evsel, i); + perf_cpu_map__for_each_cpu_skip_any(cpu, idx, intersect_cpus) { + if (cs_etm_get_version(cs_etm_pmu, cpu) == CS_NOT_PRESENT) { + pr_err("%s: Not found on CPU %d. Check hardware and firmware support and that all Coresight drivers are loaded\n", + CORESIGHT_ETM_PMU_NAME, cpu.cpu); + return -EINVAL; + } + err = cs_etm_validate_context_id(cs_etm_pmu, evsel, cpu); if (err) - goto out; - err = cs_etm_validate_timestamp(itr, evsel, i); + break; + + err = cs_etm_validate_timestamp(cs_etm_pmu, evsel, cpu); if (err) - goto out; + break; } - err = 0; -out: - perf_cpu_map__put(online_cpus); + perf_cpu_map__put(intersect_cpus); return err; } @@ -435,7 +440,7 @@ static int cs_etm_recording_options(struct auxtrace_record *itr, * Also the case of per-cpu mmaps, need the contextID in order to be notified * when a context switch happened. */ - if (!perf_cpu_map__has_any_cpu_or_is_empty(cpus)) { + if (!perf_cpu_map__is_any_cpu_or_is_empty(cpus)) { evsel__set_config_if_unset(cs_etm_pmu, cs_etm_evsel, "timestamp", 1); evsel__set_config_if_unset(cs_etm_pmu, cs_etm_evsel, @@ -461,10 +466,10 @@ static int cs_etm_recording_options(struct auxtrace_record *itr, evsel->core.attr.sample_period = 1; /* In per-cpu case, always need the time of mmap events etc */ - if (!perf_cpu_map__has_any_cpu_or_is_empty(cpus)) + if (!perf_cpu_map__is_any_cpu_or_is_empty(cpus)) evsel__set_sample_bit(evsel, TIME); - err = cs_etm_validate_config(itr, cs_etm_evsel); + err = cs_etm_validate_config(cs_etm_pmu, cs_etm_evsel); out: return err; } @@ -530,48 +535,35 @@ static u64 cs_etmv4_get_config(struct auxtrace_record *itr) } static size_t -cs_etm_info_priv_size(struct auxtrace_record *itr __maybe_unused, - struct evlist *evlist __maybe_unused) +cs_etm_info_priv_size(struct auxtrace_record *itr, + struct evlist *evlist) { - int i; + int idx; int etmv3 = 0, etmv4 = 0, ete = 0; struct perf_cpu_map *event_cpus = evlist->core.user_requested_cpus; - struct perf_cpu_map *online_cpus = perf_cpu_map__new_online_cpus(); - - /* cpu map is not empty, we have specific CPUs to work with */ - if (!perf_cpu_map__has_any_cpu_or_is_empty(event_cpus)) { - for (i = 0; i < cpu__max_cpu().cpu; i++) { - struct perf_cpu cpu = { .cpu = i, }; + struct perf_cpu_map *intersect_cpus; + struct perf_cpu cpu; + struct perf_pmu *cs_etm_pmu = cs_etm_get_pmu(itr); - if (!perf_cpu_map__has(event_cpus, cpu) || - !perf_cpu_map__has(online_cpus, cpu)) - continue; + if (!perf_cpu_map__has_any_cpu(event_cpus)) { + /* cpu map is not "any" CPU , we have specific CPUs to work with */ + struct perf_cpu_map *online_cpus = perf_cpu_map__new_online_cpus(); - if (cs_etm_is_ete(itr, i)) - ete++; - else if (cs_etm_is_etmv4(itr, i)) - etmv4++; - else - etmv3++; - } + intersect_cpus = perf_cpu_map__intersect(event_cpus, online_cpus); + perf_cpu_map__put(online_cpus); } else { - /* get configuration for all CPUs in the system */ - for (i = 0; i < cpu__max_cpu().cpu; i++) { - struct perf_cpu cpu = { .cpu = i, }; - - if (!perf_cpu_map__has(online_cpus, cpu)) - continue; - - if (cs_etm_is_ete(itr, i)) - ete++; - else if (cs_etm_is_etmv4(itr, i)) - etmv4++; - else - etmv3++; - } + /* Event can be "any" CPU so count all online CPUs. */ + intersect_cpus = perf_cpu_map__new_online_cpus(); } + /* Count number of each type of ETM. Don't count if that CPU has CS_NOT_PRESENT. */ + perf_cpu_map__for_each_cpu_skip_any(cpu, idx, intersect_cpus) { + enum cs_etm_version v = cs_etm_get_version(cs_etm_pmu, cpu); - perf_cpu_map__put(online_cpus); + ete += v == CS_ETE; + etmv4 += v == CS_ETMV4; + etmv3 += v == CS_ETMV3; + } + perf_cpu_map__put(intersect_cpus); return (CS_ETM_HEADER_SIZE + (ete * CS_ETE_PRIV_SIZE) + @@ -579,66 +571,49 @@ cs_etm_info_priv_size(struct auxtrace_record *itr __maybe_unused, (etmv3 * CS_ETMV3_PRIV_SIZE)); } -static bool cs_etm_is_etmv4(struct auxtrace_record *itr, int cpu) -{ - bool ret = false; - char path[PATH_MAX]; - int scan; - unsigned int val; - struct cs_etm_recording *ptr = - container_of(itr, struct cs_etm_recording, itr); - struct perf_pmu *cs_etm_pmu = ptr->cs_etm_pmu; - - /* Take any of the RO files for ETMv4 and see if it present */ - snprintf(path, PATH_MAX, "cpu%d/%s", - cpu, metadata_etmv4_ro[CS_ETMV4_TRCIDR0]); - scan = perf_pmu__scan_file(cs_etm_pmu, path, "%x", &val); - - /* The file was read successfully, we have a winner */ - if (scan == 1) - ret = true; - - return ret; -} - -static int cs_etm_get_ro(struct perf_pmu *pmu, int cpu, const char *path) +static int cs_etm_get_ro(struct perf_pmu *pmu, struct perf_cpu cpu, const char *path, __u64 *val) { char pmu_path[PATH_MAX]; int scan; - unsigned int val = 0; /* Get RO metadata from sysfs */ - snprintf(pmu_path, PATH_MAX, "cpu%d/%s", cpu, path); + snprintf(pmu_path, PATH_MAX, "cpu%d/%s", cpu.cpu, path); - scan = perf_pmu__scan_file(pmu, pmu_path, "%x", &val); - if (scan != 1) + scan = perf_pmu__scan_file(pmu, pmu_path, "%llx", val); + if (scan != 1) { pr_err("%s: error reading: %s\n", __func__, pmu_path); + return -EINVAL; + } - return val; + return 0; } -static int cs_etm_get_ro_signed(struct perf_pmu *pmu, int cpu, const char *path) +static int cs_etm_get_ro_signed(struct perf_pmu *pmu, struct perf_cpu cpu, const char *path, + __u64 *out_val) { char pmu_path[PATH_MAX]; int scan; int val = 0; /* Get RO metadata from sysfs */ - snprintf(pmu_path, PATH_MAX, "cpu%d/%s", cpu, path); + snprintf(pmu_path, PATH_MAX, "cpu%d/%s", cpu.cpu, path); scan = perf_pmu__scan_file(pmu, pmu_path, "%d", &val); - if (scan != 1) + if (scan != 1) { pr_err("%s: error reading: %s\n", __func__, pmu_path); + return -EINVAL; + } - return val; + *out_val = (__u64) val; + return 0; } -static bool cs_etm_pmu_path_exists(struct perf_pmu *pmu, int cpu, const char *path) +static bool cs_etm_pmu_path_exists(struct perf_pmu *pmu, struct perf_cpu cpu, const char *path) { char pmu_path[PATH_MAX]; /* Get RO metadata from sysfs */ - snprintf(pmu_path, PATH_MAX, "cpu%d/%s", cpu, path); + snprintf(pmu_path, PATH_MAX, "cpu%d/%s", cpu.cpu, path); return perf_pmu__file_exists(pmu, pmu_path); } @@ -651,16 +626,14 @@ static bool cs_etm_pmu_path_exists(struct perf_pmu *pmu, int cpu, const char *pa #define TRCDEVARCH_ARCHVER_MASK GENMASK(15, 12) #define TRCDEVARCH_ARCHVER(x) (((x) & TRCDEVARCH_ARCHVER_MASK) >> TRCDEVARCH_ARCHVER_SHIFT) -static bool cs_etm_is_ete(struct auxtrace_record *itr, int cpu) +static bool cs_etm_is_ete(struct perf_pmu *cs_etm_pmu, struct perf_cpu cpu) { - struct cs_etm_recording *ptr = container_of(itr, struct cs_etm_recording, itr); - struct perf_pmu *cs_etm_pmu = ptr->cs_etm_pmu; - int trcdevarch; + __u64 trcdevarch; if (!cs_etm_pmu_path_exists(cs_etm_pmu, cpu, metadata_ete_ro[CS_ETE_TRCDEVARCH])) return false; - trcdevarch = cs_etm_get_ro(cs_etm_pmu, cpu, metadata_ete_ro[CS_ETE_TRCDEVARCH]); + cs_etm_get_ro(cs_etm_pmu, cpu, metadata_ete_ro[CS_ETE_TRCDEVARCH], &trcdevarch); /* * ETE if ARCHVER is 5 (ARCHVER is 4 for ETM) and ARCHPART is 0xA13. * See ETM_DEVARCH_ETE_ARCH in coresight-etm4x.h @@ -668,7 +641,13 @@ static bool cs_etm_is_ete(struct auxtrace_record *itr, int cpu) return TRCDEVARCH_ARCHVER(trcdevarch) == 5 && TRCDEVARCH_ARCHPART(trcdevarch) == 0xA13; } -static void cs_etm_save_etmv4_header(__u64 data[], struct auxtrace_record *itr, int cpu) +static __u64 cs_etm_get_legacy_trace_id(struct perf_cpu cpu) +{ + /* Wrap at 48 so that invalid trace IDs aren't saved into files. */ + return CORESIGHT_LEGACY_CPU_TRACE_ID(cpu.cpu % 48); +} + +static void cs_etm_save_etmv4_header(__u64 data[], struct auxtrace_record *itr, struct perf_cpu cpu) { struct cs_etm_recording *ptr = container_of(itr, struct cs_etm_recording, itr); struct perf_pmu *cs_etm_pmu = ptr->cs_etm_pmu; @@ -676,33 +655,31 @@ static void cs_etm_save_etmv4_header(__u64 data[], struct auxtrace_record *itr, /* Get trace configuration register */ data[CS_ETMV4_TRCCONFIGR] = cs_etmv4_get_config(itr); /* traceID set to legacy version, in case new perf running on older system */ - data[CS_ETMV4_TRCTRACEIDR] = - CORESIGHT_LEGACY_CPU_TRACE_ID(cpu) | CORESIGHT_TRACE_ID_UNUSED_FLAG; + data[CS_ETMV4_TRCTRACEIDR] = cs_etm_get_legacy_trace_id(cpu); /* Get read-only information from sysFS */ - data[CS_ETMV4_TRCIDR0] = cs_etm_get_ro(cs_etm_pmu, cpu, - metadata_etmv4_ro[CS_ETMV4_TRCIDR0]); - data[CS_ETMV4_TRCIDR1] = cs_etm_get_ro(cs_etm_pmu, cpu, - metadata_etmv4_ro[CS_ETMV4_TRCIDR1]); - data[CS_ETMV4_TRCIDR2] = cs_etm_get_ro(cs_etm_pmu, cpu, - metadata_etmv4_ro[CS_ETMV4_TRCIDR2]); - data[CS_ETMV4_TRCIDR8] = cs_etm_get_ro(cs_etm_pmu, cpu, - metadata_etmv4_ro[CS_ETMV4_TRCIDR8]); - data[CS_ETMV4_TRCAUTHSTATUS] = cs_etm_get_ro(cs_etm_pmu, cpu, - metadata_etmv4_ro[CS_ETMV4_TRCAUTHSTATUS]); + cs_etm_get_ro(cs_etm_pmu, cpu, metadata_etmv4_ro[CS_ETMV4_TRCIDR0], + &data[CS_ETMV4_TRCIDR0]); + cs_etm_get_ro(cs_etm_pmu, cpu, metadata_etmv4_ro[CS_ETMV4_TRCIDR1], + &data[CS_ETMV4_TRCIDR1]); + cs_etm_get_ro(cs_etm_pmu, cpu, metadata_etmv4_ro[CS_ETMV4_TRCIDR2], + &data[CS_ETMV4_TRCIDR2]); + cs_etm_get_ro(cs_etm_pmu, cpu, metadata_etmv4_ro[CS_ETMV4_TRCIDR8], + &data[CS_ETMV4_TRCIDR8]); + cs_etm_get_ro(cs_etm_pmu, cpu, metadata_etmv4_ro[CS_ETMV4_TRCAUTHSTATUS], + &data[CS_ETMV4_TRCAUTHSTATUS]); /* Kernels older than 5.19 may not expose ts_source */ - if (cs_etm_pmu_path_exists(cs_etm_pmu, cpu, metadata_etmv4_ro[CS_ETMV4_TS_SOURCE])) - data[CS_ETMV4_TS_SOURCE] = (__u64) cs_etm_get_ro_signed(cs_etm_pmu, cpu, - metadata_etmv4_ro[CS_ETMV4_TS_SOURCE]); - else { + if (!cs_etm_pmu_path_exists(cs_etm_pmu, cpu, metadata_etmv4_ro[CS_ETMV4_TS_SOURCE]) || + cs_etm_get_ro_signed(cs_etm_pmu, cpu, metadata_etmv4_ro[CS_ETMV4_TS_SOURCE], + &data[CS_ETMV4_TS_SOURCE])) { pr_debug3("[%03d] pmu file 'ts_source' not found. Fallback to safe value (-1)\n", - cpu); + cpu.cpu); data[CS_ETMV4_TS_SOURCE] = (__u64) -1; } } -static void cs_etm_save_ete_header(__u64 data[], struct auxtrace_record *itr, int cpu) +static void cs_etm_save_ete_header(__u64 data[], struct auxtrace_record *itr, struct perf_cpu cpu) { struct cs_etm_recording *ptr = container_of(itr, struct cs_etm_recording, itr); struct perf_pmu *cs_etm_pmu = ptr->cs_etm_pmu; @@ -710,83 +687,84 @@ static void cs_etm_save_ete_header(__u64 data[], struct auxtrace_record *itr, in /* Get trace configuration register */ data[CS_ETE_TRCCONFIGR] = cs_etmv4_get_config(itr); /* traceID set to legacy version, in case new perf running on older system */ - data[CS_ETE_TRCTRACEIDR] = - CORESIGHT_LEGACY_CPU_TRACE_ID(cpu) | CORESIGHT_TRACE_ID_UNUSED_FLAG; + data[CS_ETE_TRCTRACEIDR] = cs_etm_get_legacy_trace_id(cpu); /* Get read-only information from sysFS */ - data[CS_ETE_TRCIDR0] = cs_etm_get_ro(cs_etm_pmu, cpu, - metadata_ete_ro[CS_ETE_TRCIDR0]); - data[CS_ETE_TRCIDR1] = cs_etm_get_ro(cs_etm_pmu, cpu, - metadata_ete_ro[CS_ETE_TRCIDR1]); - data[CS_ETE_TRCIDR2] = cs_etm_get_ro(cs_etm_pmu, cpu, - metadata_ete_ro[CS_ETE_TRCIDR2]); - data[CS_ETE_TRCIDR8] = cs_etm_get_ro(cs_etm_pmu, cpu, - metadata_ete_ro[CS_ETE_TRCIDR8]); - data[CS_ETE_TRCAUTHSTATUS] = cs_etm_get_ro(cs_etm_pmu, cpu, - metadata_ete_ro[CS_ETE_TRCAUTHSTATUS]); + cs_etm_get_ro(cs_etm_pmu, cpu, metadata_ete_ro[CS_ETE_TRCIDR0], &data[CS_ETE_TRCIDR0]); + cs_etm_get_ro(cs_etm_pmu, cpu, metadata_ete_ro[CS_ETE_TRCIDR1], &data[CS_ETE_TRCIDR1]); + cs_etm_get_ro(cs_etm_pmu, cpu, metadata_ete_ro[CS_ETE_TRCIDR2], &data[CS_ETE_TRCIDR2]); + cs_etm_get_ro(cs_etm_pmu, cpu, metadata_ete_ro[CS_ETE_TRCIDR8], &data[CS_ETE_TRCIDR8]); + cs_etm_get_ro(cs_etm_pmu, cpu, metadata_ete_ro[CS_ETE_TRCAUTHSTATUS], + &data[CS_ETE_TRCAUTHSTATUS]); /* ETE uses the same registers as ETMv4 plus TRCDEVARCH */ - data[CS_ETE_TRCDEVARCH] = cs_etm_get_ro(cs_etm_pmu, cpu, - metadata_ete_ro[CS_ETE_TRCDEVARCH]); + cs_etm_get_ro(cs_etm_pmu, cpu, metadata_ete_ro[CS_ETE_TRCDEVARCH], + &data[CS_ETE_TRCDEVARCH]); /* Kernels older than 5.19 may not expose ts_source */ - if (cs_etm_pmu_path_exists(cs_etm_pmu, cpu, metadata_ete_ro[CS_ETE_TS_SOURCE])) - data[CS_ETE_TS_SOURCE] = (__u64) cs_etm_get_ro_signed(cs_etm_pmu, cpu, - metadata_ete_ro[CS_ETE_TS_SOURCE]); - else { + if (!cs_etm_pmu_path_exists(cs_etm_pmu, cpu, metadata_ete_ro[CS_ETE_TS_SOURCE]) || + cs_etm_get_ro_signed(cs_etm_pmu, cpu, metadata_ete_ro[CS_ETE_TS_SOURCE], + &data[CS_ETE_TS_SOURCE])) { pr_debug3("[%03d] pmu file 'ts_source' not found. Fallback to safe value (-1)\n", - cpu); + cpu.cpu); data[CS_ETE_TS_SOURCE] = (__u64) -1; } } -static void cs_etm_get_metadata(int cpu, u32 *offset, +static void cs_etm_get_metadata(struct perf_cpu cpu, u32 *offset, struct auxtrace_record *itr, struct perf_record_auxtrace_info *info) { u32 increment, nr_trc_params; u64 magic; - struct cs_etm_recording *ptr = - container_of(itr, struct cs_etm_recording, itr); - struct perf_pmu *cs_etm_pmu = ptr->cs_etm_pmu; + struct perf_pmu *cs_etm_pmu = cs_etm_get_pmu(itr); /* first see what kind of tracer this cpu is affined to */ - if (cs_etm_is_ete(itr, cpu)) { + switch (cs_etm_get_version(cs_etm_pmu, cpu)) { + case CS_ETE: magic = __perf_cs_ete_magic; cs_etm_save_ete_header(&info->priv[*offset], itr, cpu); /* How much space was used */ increment = CS_ETE_PRIV_MAX; nr_trc_params = CS_ETE_PRIV_MAX - CS_ETM_COMMON_BLK_MAX_V1; - } else if (cs_etm_is_etmv4(itr, cpu)) { + break; + + case CS_ETMV4: magic = __perf_cs_etmv4_magic; cs_etm_save_etmv4_header(&info->priv[*offset], itr, cpu); /* How much space was used */ increment = CS_ETMV4_PRIV_MAX; nr_trc_params = CS_ETMV4_PRIV_MAX - CS_ETMV4_TRCCONFIGR; - } else { + break; + + case CS_ETMV3: magic = __perf_cs_etmv3_magic; /* Get configuration register */ info->priv[*offset + CS_ETM_ETMCR] = cs_etm_get_config(itr); /* traceID set to legacy value in case new perf running on old system */ - info->priv[*offset + CS_ETM_ETMTRACEIDR] = - CORESIGHT_LEGACY_CPU_TRACE_ID(cpu) | CORESIGHT_TRACE_ID_UNUSED_FLAG; + info->priv[*offset + CS_ETM_ETMTRACEIDR] = cs_etm_get_legacy_trace_id(cpu); /* Get read-only information from sysFS */ - info->priv[*offset + CS_ETM_ETMCCER] = - cs_etm_get_ro(cs_etm_pmu, cpu, - metadata_etmv3_ro[CS_ETM_ETMCCER]); - info->priv[*offset + CS_ETM_ETMIDR] = - cs_etm_get_ro(cs_etm_pmu, cpu, - metadata_etmv3_ro[CS_ETM_ETMIDR]); + cs_etm_get_ro(cs_etm_pmu, cpu, metadata_etmv3_ro[CS_ETM_ETMCCER], + &info->priv[*offset + CS_ETM_ETMCCER]); + cs_etm_get_ro(cs_etm_pmu, cpu, metadata_etmv3_ro[CS_ETM_ETMIDR], + &info->priv[*offset + CS_ETM_ETMIDR]); /* How much space was used */ increment = CS_ETM_PRIV_MAX; nr_trc_params = CS_ETM_PRIV_MAX - CS_ETM_ETMCR; + break; + + default: + case CS_NOT_PRESENT: + /* Unreachable, CPUs already validated in cs_etm_validate_config() */ + assert(true); + return; } /* Build generic header portion */ info->priv[*offset + CS_ETM_MAGIC] = magic; - info->priv[*offset + CS_ETM_CPU] = cpu; + info->priv[*offset + CS_ETM_CPU] = cpu.cpu; info->priv[*offset + CS_ETM_NR_TRC_PARAMS] = nr_trc_params; /* Where the next CPU entry should start from */ *offset += increment; @@ -806,6 +784,7 @@ static int cs_etm_info_fill(struct auxtrace_record *itr, struct cs_etm_recording *ptr = container_of(itr, struct cs_etm_recording, itr); struct perf_pmu *cs_etm_pmu = ptr->cs_etm_pmu; + struct perf_cpu cpu; if (priv_size != cs_etm_info_priv_size(itr, session->evlist)) return -EINVAL; @@ -813,16 +792,13 @@ static int cs_etm_info_fill(struct auxtrace_record *itr, if (!session->evlist->core.nr_mmaps) return -EINVAL; - /* If the cpu_map is empty all online CPUs are involved */ - if (perf_cpu_map__has_any_cpu_or_is_empty(event_cpus)) { + /* If the cpu_map has the "any" CPU all online CPUs are involved */ + if (perf_cpu_map__has_any_cpu(event_cpus)) { cpu_map = online_cpus; } else { /* Make sure all specified CPUs are online */ - for (i = 0; i < perf_cpu_map__nr(event_cpus); i++) { - struct perf_cpu cpu = { .cpu = i, }; - - if (perf_cpu_map__has(event_cpus, cpu) && - !perf_cpu_map__has(online_cpus, cpu)) + perf_cpu_map__for_each_cpu(cpu, i, event_cpus) { + if (!perf_cpu_map__has(online_cpus, cpu)) return -EINVAL; } @@ -842,11 +818,9 @@ static int cs_etm_info_fill(struct auxtrace_record *itr, offset = CS_ETM_SNAPSHOT + 1; - for (i = 0; i < cpu__max_cpu().cpu && offset < priv_size; i++) { - struct perf_cpu cpu = { .cpu = i, }; - - if (perf_cpu_map__has(cpu_map, cpu)) - cs_etm_get_metadata(i, &offset, itr, info); + perf_cpu_map__for_each_cpu(cpu, i, cpu_map) { + assert(offset < priv_size); + cs_etm_get_metadata(cpu, &offset, itr, info); } perf_cpu_map__put(online_cpus); @@ -913,7 +887,6 @@ struct auxtrace_record *cs_etm_record_init(int *err) } ptr->cs_etm_pmu = cs_etm_pmu; - ptr->itr.pmu = cs_etm_pmu; ptr->itr.parse_snapshot_options = cs_etm_parse_snapshot_options; ptr->itr.recording_options = cs_etm_recording_options; ptr->itr.info_priv_size = cs_etm_info_priv_size; diff --git a/tools/perf/arch/arm/util/dwarf-regs.c b/tools/perf/arch/arm/util/dwarf-regs.c deleted file mode 100644 index fc5f71c91802..000000000000 --- a/tools/perf/arch/arm/util/dwarf-regs.c +++ /dev/null @@ -1,61 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Mapping of DWARF debug register numbers into register names. - * - * Copyright (C) 2010 Will Deacon, ARM Ltd. - */ - -#include <stddef.h> -#include <linux/stringify.h> -#include <dwarf-regs.h> - -struct pt_regs_dwarfnum { - const char *name; - unsigned int dwarfnum; -}; - -#define REG_DWARFNUM_NAME(r, num) {.name = r, .dwarfnum = num} -#define GPR_DWARFNUM_NAME(num) \ - {.name = __stringify(%r##num), .dwarfnum = num} -#define REG_DWARFNUM_END {.name = NULL, .dwarfnum = 0} - -/* - * Reference: - * http://infocenter.arm.com/help/topic/com.arm.doc.ihi0040a/IHI0040A_aadwarf.pdf - */ -static const struct pt_regs_dwarfnum regdwarfnum_table[] = { - GPR_DWARFNUM_NAME(0), - GPR_DWARFNUM_NAME(1), - GPR_DWARFNUM_NAME(2), - GPR_DWARFNUM_NAME(3), - GPR_DWARFNUM_NAME(4), - GPR_DWARFNUM_NAME(5), - GPR_DWARFNUM_NAME(6), - GPR_DWARFNUM_NAME(7), - GPR_DWARFNUM_NAME(8), - GPR_DWARFNUM_NAME(9), - GPR_DWARFNUM_NAME(10), - REG_DWARFNUM_NAME("%fp", 11), - REG_DWARFNUM_NAME("%ip", 12), - REG_DWARFNUM_NAME("%sp", 13), - REG_DWARFNUM_NAME("%lr", 14), - REG_DWARFNUM_NAME("%pc", 15), - REG_DWARFNUM_END, -}; - -/** - * get_arch_regstr() - lookup register name from it's DWARF register number - * @n: the DWARF register number - * - * get_arch_regstr() returns the name of the register in struct - * regdwarfnum_table from it's DWARF register number. If the register is not - * found in the table, this returns NULL; - */ -const char *get_arch_regstr(unsigned int n) -{ - const struct pt_regs_dwarfnum *roff; - for (roff = regdwarfnum_table; roff->name != NULL; roff++) - if (roff->dwarfnum == n) - return roff->name; - return NULL; -} diff --git a/tools/perf/arch/arm/util/pmu.c b/tools/perf/arch/arm/util/pmu.c index 8b7cb68ba1a8..f70075c89aa0 100644 --- a/tools/perf/arch/arm/util/pmu.c +++ b/tools/perf/arch/arm/util/pmu.c @@ -11,28 +11,38 @@ #include "arm-spe.h" #include "hisi-ptt.h" +#include "../../../util/cpumap.h" #include "../../../util/pmu.h" #include "../../../util/cs-etm.h" #include "../../arm64/util/mem-events.h" -void perf_pmu__arch_init(struct perf_pmu *pmu __maybe_unused) +void perf_pmu__arch_init(struct perf_pmu *pmu) { + struct perf_cpu_map *intersect, *online = cpu_map__online(); + #ifdef HAVE_AUXTRACE_SUPPORT if (!strcmp(pmu->name, CORESIGHT_ETM_PMU_NAME)) { /* add ETM default config here */ + pmu->auxtrace = true; pmu->selectable = true; pmu->perf_event_attr_init_default = cs_etm_get_default_config; #if defined(__aarch64__) } else if (strstarts(pmu->name, ARM_SPE_PMU_NAME)) { + pmu->auxtrace = true; pmu->selectable = true; pmu->is_uncore = false; pmu->perf_event_attr_init_default = arm_spe_pmu_default_config; - if (!strcmp(pmu->name, "arm_spe_0")) + if (strstarts(pmu->name, "arm_spe_")) pmu->mem_events = perf_mem_events_arm; } else if (strstarts(pmu->name, HISI_PTT_PMU_NAME)) { + pmu->auxtrace = true; pmu->selectable = true; #endif } - #endif + /* Workaround some ARM PMU's failing to correctly set CPU maps for online processors. */ + intersect = perf_cpu_map__intersect(online, pmu->cpus); + perf_cpu_map__put(online); + perf_cpu_map__put(pmu->cpus); + pmu->cpus = intersect; } diff --git a/tools/perf/arch/arm/util/unwind-libdw.c b/tools/perf/arch/arm/util/unwind-libdw.c index 4e02cef461e3..fbb643f224ec 100644 --- a/tools/perf/arch/arm/util/unwind-libdw.c +++ b/tools/perf/arch/arm/util/unwind-libdw.c @@ -8,7 +8,7 @@ bool libdw__arch_set_initial_registers(Dwfl_Thread *thread, void *arg) { struct unwind_info *ui = arg; - struct regs_dump *user_regs = &ui->sample->user_regs; + struct regs_dump *user_regs = perf_sample__user_regs(ui->sample); Dwarf_Word dwarf_regs[PERF_REG_ARM_MAX]; #define REG(r) ({ \ |