Messages in this thread | | | Subject | Re: [PATCH 00/12] Add the page size in the perf record (user tools) | From | "Liang, Kan" <> | Date | Mon, 30 Nov 2020 08:58:56 -0500 |
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On 11/27/2020 3:22 PM, Jiri Olsa wrote: > hi, > I can't compile this on Fedora 32, check the log below >
The patch set was compiled with GCC 9. I will install a GCC 10 and fix all the warnings.
Thanks, Kan
> jirka > > > --- > $ make JOBS=1 > BUILD: Doing 'make -j1' parallel build > Warning: Kernel ABI header at 'tools/include/uapi/linux/perf_event.h' differs from latest version at 'include/uapi/linux/perf_event.h' > diff -u tools/include/uapi/linux/perf_event.h include/uapi/linux/perf_event.h > CC util/parse-events.o > CC util/session.o > util/session.c: In function ‘machines__deliver_event’: > util/session.c:1278:37: error: ‘%lu’ directive output may be truncated writing between 1 and 20 bytes into a region of size 10 [-Werror=format-truncation=] > 1278 | snprintf(str, PAGE_SIZE_NAME_LEN, "%lu%c", size, suffixes[i]); > | ^~~ > util/session.c:1278:36: note: directive argument in the range [1, 18446744073709551615] > 1278 | snprintf(str, PAGE_SIZE_NAME_LEN, "%lu%c", size, suffixes[i]); > | ^~~~~~~ > In file included from /usr/include/stdio.h:867, > from /home/jolsa/kernel/linux-perf/tools/lib/perf/include/perf/cpumap.h:6, > from util/session.c:13: > /usr/include/bits/stdio2.h:67:10: note: ‘__builtin___snprintf_chk’ output between 3 and 22 bytes into a destination of size 10 > 67 | return __builtin___snprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1, > | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > 68 | __bos (__s), __fmt, __va_arg_pack ()); > | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > util/session.c:1278:37: error: ‘%lu’ directive output may be truncated writing between 1 and 20 bytes into a region of size 10 [-Werror=format-truncation=] > 1278 | snprintf(str, PAGE_SIZE_NAME_LEN, "%lu%c", size, suffixes[i]); > | ^~~ > util/session.c:1278:36: note: directive argument in the range [1, 18446744073709551615] > 1278 | snprintf(str, PAGE_SIZE_NAME_LEN, "%lu%c", size, suffixes[i]); > | ^~~~~~~ > In file included from /usr/include/stdio.h:867, > from /home/jolsa/kernel/linux-perf/tools/lib/perf/include/perf/cpumap.h:6, > from util/session.c:13: > /usr/include/bits/stdio2.h:67:10: note: ‘__builtin___snprintf_chk’ output between 3 and 22 bytes into a destination of size 10 > 67 | return __builtin___snprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1, > | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > 68 | __bos (__s), __fmt, __va_arg_pack ()); > | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > util/session.c: In function ‘get_page_size_name’: > util/session.c:1278:37: error: ‘%lu’ directive output may be truncated writing between 1 and 20 bytes into a region of size 10 [-Werror=format-truncation=] > 1278 | snprintf(str, PAGE_SIZE_NAME_LEN, "%lu%c", size, suffixes[i]); > | ^~~ > util/session.c:1278:36: note: directive argument in the range [1, 18446744073709551615] > 1278 | snprintf(str, PAGE_SIZE_NAME_LEN, "%lu%c", size, suffixes[i]); > | ^~~~~~~ > In file included from /usr/include/stdio.h:867, > from /home/jolsa/kernel/linux-perf/tools/lib/perf/include/perf/cpumap.h:6, > from util/session.c:13: > /usr/include/bits/stdio2.h:67:10: note: ‘__builtin___snprintf_chk’ output between 3 and 22 bytes into a destination of size 10 > 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 > make[4]: *** [/home/jolsa/kernel/linux-perf/tools/build/Makefile.build:97: util/session.o] Error 1 > make[3]: *** [/home/jolsa/kernel/linux-perf/tools/build/Makefile.build:139: util] Error 2 > make[2]: *** [Makefile.perf:647: perf-in.o] Error 2 > make[1]: *** [Makefile.perf:233: sub-make] Error 2 > make: *** [Makefile:70: all] Error 2
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