Messages in this thread | | | Subject | Re: [PATCH 00/12] Stitch LBR call stack (Perf Tools) | From | "Liang, Kan" <> | Date | Fri, 6 Mar 2020 14:13:15 -0500 |
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On 3/6/2020 4:39 AM, Jiri Olsa wrote: > On Fri, Feb 28, 2020 at 08:29:59AM -0800, kan.liang@linux.intel.com wrote: > > SNIP > >> Kan Liang (12): >> perf tools: Add hw_idx in struct branch_stack >> perf tools: Support PERF_SAMPLE_BRANCH_HW_INDEX >> perf header: Add check for event attr >> perf pmu: Add support for PMU capabilities > > hi, > I'm getting compile error: > > util/pmu.c: In function ‘perf_pmu__caps_parse’: > util/pmu.c:1620:32: error: ‘%s’ directive output may be truncated writing up to 255 bytes into a region of size between 0 and 4095 [-Werror=format-truncation=] > 1620 | snprintf(path, PATH_MAX, "%s/%s", caps_path, name); > | ^~ > In file included from /usr/include/stdio.h:867, > from util/pmu.c:12: > /usr/include/bits/stdio2.h:67:10: note: ‘__builtin___snprintf_chk’ output between 2 and 4352 bytes into a destination of size 4096 > 67 | return __builtin___snprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1, > | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > 68 | __bos (__s), __fmt, __va_arg_pack ()); > | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > cc1: all warnings being treated as errors > > [jolsa@krava perf]$ gcc --version > gcc (GCC) 9.2.1 20190827 (Red Hat 9.2.1-1)
My GCC version is too old. I will send V2 later to fix the error.
Thanks, Kan
> > jirka >
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