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authorAndi Kleen <ak@linux.intel.com>2018-09-20 11:05:39 -0700
committerArnaldo Carvalho de Melo <acme@redhat.com>2018-10-24 15:29:55 -0300
commit99f753f048b3f02f31a56951781672021af6cd0d (patch)
tree9c22f288e4be70e8c31d9c248657dcdd98231452 /tools/perf/util/thread.h
parentd1b1552e15d41297abcaf3812378e3391d44fa6b (diff)
downloadlinux-99f753f048b3f02f31a56951781672021af6cd0d.tar.gz
perf script: Implement --graph-function
Add a ftrace style --graph-function argument to 'perf script' that
allows to print itrace function calls only below a given function. This
makes it easier to find the code of interest in a large trace.

% perf record -e intel_pt//k -a sleep 1
% perf script --graph-function group_sched_in --call-trace
            perf   900 [000] 194167.205652203: ([kernel.kallsyms])          group_sched_in
            perf   900 [000] 194167.205652203: ([kernel.kallsyms])              __x86_indirect_thunk_rax
            perf   900 [000] 194167.205652203: ([kernel.kallsyms])              event_sched_in.isra.107
            perf   900 [000] 194167.205652203: ([kernel.kallsyms])                  perf_event_set_state.part.71
            perf   900 [000] 194167.205652203: ([kernel.kallsyms])                      perf_event_update_time
            perf   900 [000] 194167.205652203: ([kernel.kallsyms])                  perf_pmu_disable
            perf   900 [000] 194167.205652203: ([kernel.kallsyms])                  perf_log_itrace_start
            perf   900 [000] 194167.205652203: ([kernel.kallsyms])                  __x86_indirect_thunk_rax
            perf   900 [000] 194167.205652203: ([kernel.kallsyms])                      perf_event_update_userpage
            perf   900 [000] 194167.205652203: ([kernel.kallsyms])                          calc_timer_values
            perf   900 [000] 194167.205652203: ([kernel.kallsyms])                              sched_clock_cpu
            perf   900 [000] 194167.205652203: ([kernel.kallsyms])                          __x86_indirect_thunk_rax
            perf   900 [000] 194167.205652203: ([kernel.kallsyms])                          arch_perf_update_userpage
            perf   900 [000] 194167.205652203: ([kernel.kallsyms])                              __fentry__
            perf   900 [000] 194167.205652203: ([kernel.kallsyms])                              using_native_sched_clock
            perf   900 [000] 194167.205652203: ([kernel.kallsyms])                              sched_clock_stable
            perf   900 [000] 194167.205652203: ([kernel.kallsyms])                  perf_pmu_enable
            perf   900 [000] 194167.205652203: ([kernel.kallsyms])              __x86_indirect_thunk_rax
         swapper     0 [001] 194167.205660693: ([kernel.kallsyms])          group_sched_in
         swapper     0 [001] 194167.205660693: ([kernel.kallsyms])              __x86_indirect_thunk_rax
         swapper     0 [001] 194167.205660693: ([kernel.kallsyms])              event_sched_in.isra.107
         swapper     0 [001] 194167.205660693: ([kernel.kallsyms])                  perf_event_set_state.part.71
         swapper     0 [001] 194167.205660693: ([kernel.kallsyms])                      perf_event_update_time
         swapper     0 [001] 194167.205660693: ([kernel.kallsyms])                  perf_pmu_disable
         swapper     0 [001] 194167.205660693: ([kernel.kallsyms])                  perf_log_itrace_start
         swapper     0 [001] 194167.205660693: ([kernel.kallsyms])                  __x86_indirect_thunk_rax
         swapper     0 [001] 194167.205660693: ([kernel.kallsyms])                      perf_event_update_userpage
         swapper     0 [001] 194167.205660693: ([kernel.kallsyms])                          calc_timer_values
         swapper     0 [001] 194167.205660693: ([kernel.kallsyms])                              sched_clock_cpu
         swapper     0 [001] 194167.205660693: ([kernel.kallsyms])                          __x86_indirect_thunk_rax
         swapper     0 [001] 194167.205660693: ([kernel.kallsyms])                          arch_perf_update_userpage
         swapper     0 [001] 194167.205660693: ([kernel.kallsyms])                              __fentry__
         swapper     0 [001] 194167.205660693: ([kernel.kallsyms])                              using_native_sched_clock
         swapper     0 [001] 194167.205660693: ([kernel.kallsyms])                              sched_clock_stable

Signed-off-by: Andi Kleen <ak@linux.intel.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Tested-by: Leo Yan <leo.yan@linaro.org>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Kim Phillips <kim.phillips@arm.com>
Link: http://lkml.kernel.org/r/20180920180540.14039-5-andi@firstfloor.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/thread.h')
-rw-r--r--tools/perf/util/thread.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/tools/perf/util/thread.h b/tools/perf/util/thread.h
index 07606aa6998d..36c09a9904e6 100644
--- a/tools/perf/util/thread.h
+++ b/tools/perf/util/thread.h
@@ -42,6 +42,8 @@ struct thread {
 	void				*addr_space;
 	struct unwind_libunwind_ops	*unwind_libunwind_ops;
 #endif
+	bool			filter;
+	int			filter_entry_depth;
 };
 
 struct machine;