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perf script: Fix --reltime with --time

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My earlier patch to just enable --reltime with --time was a little too
optimistic.  The --time parsing would accept absolute time, which is
very confusing to the user.

Support relative time in --time parsing too. This only works with recent
perf record that records the first sample time. Otherwise we error out.

Fixes: 3714437d3f ("perf script: Allow --time with --reltime")
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Link: http://lore.kernel.org/lkml/20191011182140.8353-1-andi@firstfloor.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Andi Kleen 2019-10-11 11:21:39 -07:00 • committed by Arnaldo Carvalho de Melo
parent bb91a073ed
commit b3509b6ed7
3 changed files with 32 additions and 5 deletions
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5
tools/perf/util/time-utils.h
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@ -26,6 +26,11 @@ bool perf_time__ranges_skip_sample(struct perf_time_interval *ptime_buf,
struct perf_session;
int perf_time__parse_for_ranges_reltime(const char *str, struct perf_session *session,
struct perf_time_interval **ranges,
int *range_size, int *range_num,
bool reltime);
int perf_time__parse_for_ranges(const char *str, struct perf_session *session,
struct perf_time_interval **ranges,
int *range_size, int *range_num);