diff options
Diffstat (limited to 'usr.sbin/pmcstat/pmcstat.c')
| -rw-r--r-- | usr.sbin/pmcstat/pmcstat.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/usr.sbin/pmcstat/pmcstat.c b/usr.sbin/pmcstat/pmcstat.c index cc43b82..3edba3f 100644 --- a/usr.sbin/pmcstat/pmcstat.c +++ b/usr.sbin/pmcstat/pmcstat.c @@ -503,6 +503,7 @@ pmcstat_show_usage(void) "\t -S spec\t allocate a system-wide sampling PMC\n" "\t -T\t\t start in top mode\n" "\t -W\t\t (toggle) show counts per context switch\n" + "\t -a <file>\t print sampled PCs and callgraph to \"file\"\n" "\t -c cpu-list\t set cpus for subsequent system-wide PMCs\n" "\t -d\t\t (toggle) track descendants\n" "\t -f spec\t pass \"spec\" to as plugin option\n" @@ -617,8 +618,14 @@ main(int argc, char **argv) CPU_SET(hcpu, &cpumask); while ((option = getopt(argc, argv, - "CD:EF:G:M:NO:P:R:S:TWc:df:gk:m:n:o:p:qr:s:t:vw:z:")) != -1) + "CD:EF:G:M:NO:P:R:S:TWa:c:df:gk:m:n:o:p:qr:s:t:vw:z:")) != -1) switch (option) { + case 'a': /* Annotate + callgraph */ + args.pa_flags |= FLAG_DO_ANNOTATE; + args.pa_plugin = PMCSTAT_PL_ANNOTATE_CG; + graphfilename = optarg; + break; + case 'C': /* cumulative values */ use_cumulative_counts = !use_cumulative_counts; args.pa_required |= FLAG_HAS_COUNTING_PMCS; @@ -917,7 +924,8 @@ main(int argc, char **argv) /* -m option is allowed with -R only. */ if (args.pa_flags & FLAG_DO_ANNOTATE && args.pa_inputpath == NULL) - errx(EX_USAGE, "ERROR: option -m requires an input file"); + errx(EX_USAGE, "ERROR: option %s requires an input file", + args.pa_plugin == PMCSTAT_PL_ANNOTATE ? "-m" : "-a"); /* -m option is not allowed combined with -g or -G. */ if (args.pa_flags & FLAG_DO_ANNOTATE && |
