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| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2018-12-14 13:40:49 -0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2018-12-18 16:07:26 -0300 |
| commit | 9ed45d59aeae2211933b032acc4e5b40a1a2fcd3 (patch) | |
| tree | 6767f4795b9adc5594df8a4b8371e1eecf165b9e /tools/perf/Documentation | |
| parent | 9d6dc178f0c9e40e61f45d2ac86baa8ad77cb052 (diff) | |
| download | linux-9ed45d59aeae2211933b032acc4e5b40a1a2fcd3.tar.bz2 | |
perf trace: Make the alignment of the syscall args be configurable
Since the start 'perf trace' aligns the parens enclosing the list of
syscall args to align the syscall results, allow this to be
configurable, keeping the default of 70. Using:
# perf config
llvm.dump-obj=true
trace.add_events=/home/acme/git/perf/tools/perf/examples/bpf/augmented_raw_syscalls.o
trace.show_zeros=yes
trace.show_duration=no
trace.no_inherit=yes
trace.show_timestamp=no
trace.show_arg_names=no
trace.args_alignment=0
# trace -e open*,close,*sleep sleep 1
openat(CWD, /etc/ld.so.cache, CLOEXEC) = 3
close(3) = 0
openat(CWD, /lib64/libc.so.6, CLOEXEC) = 3
close(3) = 0
openat(CWD, /usr/lib/locale/locale-archive, CLOEXEC) = 3
close(3) = 0
nanosleep(0x7ffc00de66f0, 0) = 0
close(1) = 0
close(2) = 0
#
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Luis Cláudio Gonçalves <lclaudio@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: https://lkml.kernel.org/n/tip-r8cbhoz1lr5npq9tutpvoigr@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/Documentation')
| -rw-r--r-- | tools/perf/Documentation/perf-config.txt | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/tools/perf/Documentation/perf-config.txt b/tools/perf/Documentation/perf-config.txt index 35108fd61fa6..0098eab8e5b1 100644 --- a/tools/perf/Documentation/perf-config.txt +++ b/tools/perf/Documentation/perf-config.txt @@ -529,6 +529,10 @@ trace.*:: activate the 'perf trace' logic that looks for syscall pointer contents after the normal tracepoint payload. + trace.args_alignment:: + Number of columns to align the argument list, default is 70, + use 40 for the strace default, zero to no alignment. + trace.no_inherit:: Do not follow children threads. |