Messages in this thread Patch in this message | | | From | David Ahern <> | Subject | [PATCH 3/3] perf trace: Add beautifier for clock_gettime's clk_id argument | Date | Wed, 4 Sep 2013 12:37:45 -0600 |
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Before: 0.030 ( 0.002 ms): 2571 clock_gettime(which_clock: 1, tp: 0x7f3b45729cd0 ) = 0
After: 0.030 ( 0.002 ms): 2571 clock_gettime(which_clock: MONOTONIC, tp: 0x7f3b45729cd0 ) = 0
Signed-off-by: David Ahern <dsahern@gmail.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> --- tools/perf/builtin-trace.c | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+)
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index b245102..f943960 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -428,6 +428,37 @@ static size_t syscall_arg__scnprintf_signum(char *bf, size_t size, struct syscal #define SCA_SIGNUM syscall_arg__scnprintf_signum +static size_t +syscall_arg__scnprintf_clk_gettime(char *bf, size_t size, + struct syscall_arg *arg) +{ + size_t printed = 0; + clockid_t clk_id = arg->val; + + switch (clk_id) { +#define P_CLOCK_ID(n) case CLOCK_##n: printed = scnprintf(bf, size, #n); + P_CLOCK_ID(REALTIME); break; +#ifdef CLOCK_REALTIME_COARSE + P_CLOCK_ID(REALTIME_COARSE); break; +#endif + P_CLOCK_ID(MONOTONIC); break; +#ifdef CLOCK_MONOTONIC_RAW + P_CLOCK_ID(MONOTONIC_RAW); break; +#endif +#ifdef CLOCK_MONOTONIC_COARSE + P_CLOCK_ID(MONOTONIC_COARSE); break; +#endif + P_CLOCK_ID(PROCESS_CPUTIME_ID); break; + P_CLOCK_ID(THREAD_CPUTIME_ID); break; +#undef P_CLOCK_ID + default: printed = scnprintf(bf, size, "%#x", arg); break; + } + + return printed; +} + +#define SCA_CLOCK_ID syscall_arg__scnprintf_clk_gettime + static struct syscall_fmt { const char *name; const char *alias; @@ -442,6 +473,8 @@ static struct syscall_fmt { { .name = "arch_prctl", .errmsg = true, .alias = "prctl", }, { .name = "brk", .hexret = true, .arg_scnprintf = { [0] = SCA_HEX, /* brk */ }, }, + { .name = "clock_gettime", .errmsg = true, + .arg_scnprintf = { [0] = SCA_CLOCK_ID, /* clk_id */ }, }, { .name = "connect", .errmsg = true, }, { .name = "fcntl", .errmsg = true, .arg_scnprintf = { [1] = SCA_STRARRAY, /* cmd */ }, -- 1.7.10.1
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