diff options
author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2016-04-11 23:42:37 +0200 |
---|---|---|
committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2016-04-12 03:18:23 +0200 |
commit | fde54b7860ffff1c93e6b9abb3fbc3b8b95f2695 (patch) | |
tree | bba9a05957c58881f1e7c19a7f73773d8299812f /tools/perf/util/session.h | |
parent | perf evsel: Rename config_callgraph() to config_callchain() and make it public (diff) | |
download | linux-fde54b7860ffff1c93e6b9abb3fbc3b8b95f2695.tar.xz linux-fde54b7860ffff1c93e6b9abb3fbc3b8b95f2695.zip |
perf trace: Make "--call-graph" affect just "raw_syscalls:sys_exit"
We don't need the callchains at the syscall enter tracepoint, just when
finishing it at syscall exit, so reduce the overhead by asking for
callchains just at syscall exit.
Suggested-by: Milian Wolff <milian.wolff@kdab.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-fja1ods5vqpg42mdz09xcz3r@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/session.h')
0 files changed, 0 insertions, 0 deletions