From: Andi Kleen <a...@linux.intel.com> Upcoming changes add timestamp output in perf report. Add a --ns argument similar to perf script to support nanoseconds resolution when needed.
Signed-off-by: Andi Kleen <a...@linux.intel.com> --- tools/perf/Documentation/perf-report.txt | 3 +++ tools/perf/builtin-report.c | 1 + tools/perf/builtin-script.c | 1 - tools/perf/util/sort.c | 1 + tools/perf/util/sort.h | 2 ++ 5 files changed, 7 insertions(+), 1 deletion(-) diff --git a/tools/perf/Documentation/perf-report.txt b/tools/perf/Documentation/perf-report.txt index 1a27bfe05039..51dbc519dbce 100644 --- a/tools/perf/Documentation/perf-report.txt +++ b/tools/perf/Documentation/perf-report.txt @@ -477,6 +477,9 @@ include::itrace.txt[] Please note that not all mmaps are stored, options affecting which ones are include 'perf record --data', for instance. +--ns:: + Show time stamps in nanoseconds. + --stats:: Display overall events statistics without any further processing. (like the one at the end of the perf report -D command) diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index 2e8c74d6430c..bb8918a747ba 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -1147,6 +1147,7 @@ int cmd_report(int argc, const char **argv) OPT_CALLBACK(0, "percent-type", &report.annotation_opts, "local-period", "Set percent type local/global-period/hits", annotate_parse_percent_type), + OPT_BOOLEAN(0, "ns", &nanosecs, "Show times in nanosecs"), OPT_END() }; struct perf_data data = { diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c index 261055302d08..628c04543974 100644 --- a/tools/perf/builtin-script.c +++ b/tools/perf/builtin-script.c @@ -59,7 +59,6 @@ static bool no_callchain; static bool latency_format; static bool system_wide; static bool print_flags; -static bool nanosecs; static const char *cpu_list; static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); static struct perf_stat_config stat_config; diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c index 2b6c1ccb878c..d1010a966f9b 100644 --- a/tools/perf/util/sort.c +++ b/tools/perf/util/sort.c @@ -31,6 +31,7 @@ const char *field_order; regex_t ignore_callees_regex; int have_ignore_callees = 0; enum sort_mode sort__mode = SORT_MODE__NORMAL; +bool nanosecs = false; /* * Replaces all occurrences of a char used with the: diff --git a/tools/perf/util/sort.h b/tools/perf/util/sort.h index 2fbee0b1011c..98223d952404 100644 --- a/tools/perf/util/sort.h +++ b/tools/perf/util/sort.h @@ -278,6 +278,8 @@ struct sort_entry { extern struct sort_entry sort_thread; extern struct list_head hist_entry__sort_list; +extern bool nanosecs; + struct perf_evlist; struct tep_handle; int setup_sorting(struct perf_evlist *evlist); -- 2.17.2