From c0230b2bfbd16e42d937c34aed99e5d6493eb5e4 Mon Sep 17 00:00:00 2001 From: David Ahern Date: Wed, 9 Mar 2011 22:23:27 -0700 Subject: perf script: Add support for dumping symbols Add option to dump symbols found in events. e.g., perf script -f comm,pid,tid,time,trace,sym swapper 0/0 537.037184: prev_comm=swapper prev_pid=0 prev_prio=120... ffffffff81030350 perf_trace_sched_switch ([kernel.kallsyms]) ffffffff81382ac5 schedule ([kernel.kallsyms]) ffffffff8100134a cpu_idle ([kernel.kallsyms]) ffffffff81370b39 rest_init ([kernel.kallsyms]) ffffffff81696c23 start_kernel ([kernel.kallsyms].init.text) ffffffff816962af x86_64_start_reservations ([kernel.kallsyms].init.text) ffffffff816963b9 x86_64_start_kernel ([kernel.kallsyms].init.text) sshd 1675/1675 537.037309: prev_comm=sshd prev_pid=1675 prev_prio=120... ffffffff81030350 perf_trace_sched_switch ([kernel.kallsyms]) ffffffff81382ac5 schedule ([kernel.kallsyms]) ffffffff813837aa schedule_hrtimeout_range_clock ([kernel.kallsyms]) ffffffff81383886 schedule_hrtimeout_range ([kernel.kallsyms]) ffffffff8110c4f9 poll_schedule_timeout ([kernel.kallsyms]) ffffffff8110cd20 do_select ([kernel.kallsyms]) ffffffff8110ced8 core_sys_select ([kernel.kallsyms]) ffffffff8110d00d sys_select ([kernel.kallsyms]) ffffffff81002bc2 system_call ([kernel.kallsyms]) 7f1647e56e93 __GI_select (/lib64/libc-2.12.90.so) netstat 1692/1692 537.038664: prev_comm=netstat prev_pid=1692 prev_prio=... ffffffff81030350 perf_trace_sched_switch ([kernel.kallsyms]) ffffffff81382ac5 schedule ([kernel.kallsyms]) ffffffff81002c3a sysret_careful ([kernel.kallsyms]) 7f7a6cd1b210 __GI___libc_read (/lib64/libc-2.12.90.so) Acked-by: Frederic Weisbecker Cc: Frederic Weisbecker Cc: Ingo Molnar Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Thomas Gleixner LKML-Reference: <1299734608-5223-6-git-send-email-daahern@cisco.com> Signed-off-by: David Ahern Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/Documentation/perf-script.txt | 16 +++++++++++++++- 1 file changed, 15 insertions(+), 1 deletion(-) (limited to 'tools/perf/Documentation') diff --git a/tools/perf/Documentation/perf-script.txt b/tools/perf/Documentation/perf-script.txt index b73cf589c109..c64118a4de49 100644 --- a/tools/perf/Documentation/perf-script.txt +++ b/tools/perf/Documentation/perf-script.txt @@ -115,7 +115,21 @@ OPTIONS -f:: --fields Comma separated list of fields to print. Options are: - comm, tid, pid, time, cpu, event, trace + comm, tid, pid, time, cpu, event, trace, sym + +-k:: +--vmlinux=:: + vmlinux pathname + +--kallsyms=:: + kallsyms pathname + +--symfs=:: + Look for files with symbols relative to this directory. + +-G:: +--hide-call-graph:: + When printing symbols do not display call chain. SEE ALSO -------- -- cgit v1.2.1