Messages in this thread | | | Subject | Re: [PATCH v3 3/3] perf annotate: Fix missing number of samples | From | Taeung Song <> | Date | Tue, 28 Mar 2017 21:09:44 +0900 |
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Good morning, Arnaldo :)
On 03/28/2017 03:26 AM, Arnaldo Carvalho de Melo wrote: > Em Mon, Mar 27, 2017 at 04:10:38PM +0900, Taeung Song escreveu: >> If running 'perf annotate --stdio -l --show-total-period', >> you can see a problem showing only zero '0' for number of samples. >> >> Before: >> $ perf annotate --stdio -l --show-total-period >> ... >> 0 : 400816: push %rbp >> 0 : 400817: mov %rsp,%rbp >> 0 : 40081a: mov %edi,-0x24(%rbp) >> 0 : 40081d: mov %rsi,-0x30(%rbp) >> 0 : 400821: mov -0x24(%rbp),%eax >> 0 : 400824: mov -0x30(%rbp),%rdx >> 0 : 400828: mov (%rdx),%esi >> 0 : 40082a: mov $0x0,%edx >> ... >> >> The reason is number of samples aren't set >> in symbol__get_source_line(). so set it ordinarily. > > Can you please take a look at: > > 0c4a5bcea460 ("perf annotate: Display total number of samples with --show-total-period") > > that introduced the --show-total-period code and take it into account in > this fix? > > I.e. from a quick look it did the calculation setting that field in the > TUI code, where it should have done in the util/annotate.c file, so that > all UIs would be able to use it. > > After your analysis, please add a Fixes: that cset, ok? > > I applied the other two patches and added Martin to the CC list, as he > is the author of that patch and may have something to say here. > > - Arnaldo >
Okey! I look into the cset 0c4a5bcea460.
It is fine but if running 'show-total-period' with '-l', the problem happen. The reason is to miss setting number of samples for source_line_samples, so will send v4 added Fixes: and Cc: Martin (and a bit changed commit log message)
Thanks, Taeung
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