Commit-ID: 7c304ee0fc66b4c21282e1cce32631c263f8c481 Gitweb: http://git.kernel.org/tip/7c304ee0fc66b4c21282e1cce32631c263f8c481 Author: Arnaldo Carvalho de Melo <a...@redhat.com> AuthorDate: Thu, 22 Aug 2013 16:49:54 -0300 Committer: Arnaldo Carvalho de Melo <a...@redhat.com> CommitDate: Mon, 26 Aug 2013 17:25:43 -0300
perf trace: Add --verbose option Cc: Adrian Hunter <adrian.hun...@intel.com> Cc: David Ahern <dsah...@gmail.com> Cc: Frederic Weisbecker <fweis...@gmail.com> Cc: Mike Galbraith <efa...@gmx.de> Cc: Paul Mackerras <pau...@samba.org> Cc: Peter Zijlstra <pet...@infradead.org> Cc: Stephane Eranian <eran...@google.com> Link: http://lkml.kernel.org/n/tip-ain6q4u8g3bpnh18yhw24...@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <a...@redhat.com> --- tools/perf/Documentation/perf-trace.txt | 4 ++++ tools/perf/builtin-trace.c | 12 ++++++++---- 2 files changed, 12 insertions(+), 4 deletions(-) diff --git a/tools/perf/Documentation/perf-trace.txt b/tools/perf/Documentation/perf-trace.txt index 4754f11..fe19811 100644 --- a/tools/perf/Documentation/perf-trace.txt +++ b/tools/perf/Documentation/perf-trace.txt @@ -49,6 +49,10 @@ OPTIONS --uid=:: Record events in threads owned by uid. Name or number. +-v:: +--verbose=:: + Verbosity level. + -i:: --no-inherit:: Child tasks do not inherit counters. diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index 6ab7a7a..c907e7e 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -1,6 +1,7 @@ #include <traceevent/event-parse.h> #include "builtin.h" #include "util/color.h" +#include "util/debug.h" #include "util/evlist.h" #include "util/machine.h" #include "util/thread.h" @@ -311,10 +312,12 @@ static struct syscall *trace__syscall_info(struct trace *trace, return &trace->syscalls.table[id]; out_cant_read: - fprintf(trace->output, "Problems reading syscall %d", id); - if (id <= trace->syscalls.max && trace->syscalls.table[id].name != NULL) - fprintf(trace->output, "(%s)", trace->syscalls.table[id].name); - fputs(" information", trace->output); + if (verbose) { + fprintf(trace->output, "Problems reading syscall %d", id); + if (id <= trace->syscalls.max && trace->syscalls.table[id].name != NULL) + fprintf(trace->output, "(%s)", trace->syscalls.table[id].name); + fputs(" information\n", trace->output); + } return NULL; } @@ -714,6 +717,7 @@ int cmd_trace(int argc, const char **argv, const char *prefix __maybe_unused) "show only events with duration > N.M ms", trace__set_duration), OPT_BOOLEAN(0, "sched", &trace.sched, "show blocking scheduler events"), + OPT_INCR('v', "verbose", &verbose, "be more verbose"), OPT_END() }; int err; -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
