Messages in this thread | | | Date | Thu, 30 Aug 2018 10:42:36 +0200 | From | Jiri Olsa <> | Subject | Re: Make perf script easier to use for itrace |
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On Wed, Aug 29, 2018 at 10:18:24AM -0700, Andi Kleen wrote:
SNIP
> > Filter by a ftrace style graph function: > > % perf script --graph-function group_sched_in --call-trace > perf 900 [000] 194167.205652203: ([kernel.kallsyms]) group_sched_in > perf 900 [000] 194167.205652203: ([kernel.kallsyms]) __x86_indirect_thunk_rax > perf 900 [000] 194167.205652203: ([kernel.kallsyms]) event_sched_in.isra.107 > perf 900 [000] 194167.205652203: ([kernel.kallsyms]) perf_event_set_state.part.71 > perf 900 [000] 194167.205652203: ([kernel.kallsyms]) perf_event_update_time > perf 900 [000] 194167.205652203: ([kernel.kallsyms]) perf_pmu_disable > perf 900 [000] 194167.205652203: ([kernel.kallsyms]) perf_log_itrace_start > perf 900 [000] 194167.205652203: ([kernel.kallsyms]) __x86_indirect_thunk_rax > perf 900 [000] 194167.205652203: ([kernel.kallsyms]) perf_event_update_userpage > perf 900 [000] 194167.205652203: ([kernel.kallsyms]) calc_timer_values > perf 900 [000] 194167.205652203: ([kernel.kallsyms]) sched_clock_cpu > perf 900 [000] 194167.205652203: ([kernel.kallsyms]) __x86_indirect_thunk_rax > perf 900 [000] 194167.205652203: ([kernel.kallsyms]) arch_perf_update_userpage > perf 900 [000] 194167.205652203: ([kernel.kallsyms]) __fentry__ > perf 900 [000] 194167.205652203: ([kernel.kallsyms]) using_native_sched_clock > perf 900 [000] 194167.205652203: ([kernel.kallsyms]) sched_clock_stable > perf 900 [000] 194167.205652203: ([kernel.kallsyms]) perf_pmu_enable > perf 900 [000] 194167.205652203: ([kernel.kallsyms]) __x86_indirect_thunk_rax > > > Also available in > git://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-misc.git pt/easy-script-2
got compile error over your branch, might be one of the new fancy gcc8 checksm not sure gcc version 8.1.1 20180712 (Red Hat 8.1.1-5) (GCC)
jirka
--- [jolsa@krava perf]$ make JOBS=1 BUILD: Doing 'make -j1' parallel build CC builtin-script.o builtin-script.c: In function ‘parse_output_fields’: builtin-script.c:2571:22: error: array subscript 7 is above array bounds of ‘struct <anonymous>[7]’ [-Werror=array-bounds] output[j].fields &= ~all_output_options[i].field; ^~ builtin-script.c:2571:22: error: array subscript 7 is above array bounds of ‘struct <anonymous>[7]’ [-Werror=array-bounds] output[j].fields &= ~all_output_options[i].field; ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ builtin-script.c:2574:10: error: array subscript 7 is above array bounds of ‘struct <anonymous>[7]’ [-Werror=array-bounds] output[j].user_set = true; ~~~~~~^~~ builtin-script.c:2575:10: error: array subscript 7 is above array bounds of ‘struct <anonymous>[7]’ [-Werror=array-bounds] output[j].wildcard_set = true; ~~~~~~^~~ builtin-script.c: In function ‘parse_output_fields.constprop’: builtin-script.c:2571:22: error: array subscript 7 is above array bounds of ‘struct <anonymous>[7]’ [-Werror=array-bounds] output[j].fields &= ~all_output_options[i].field; ^~ builtin-script.c:2571:22: error: array subscript 7 is above array bounds of ‘struct <anonymous>[7]’ [-Werror=array-bounds] output[j].fields &= ~all_output_options[i].field; ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ builtin-script.c:2574:10: error: array subscript 7 is above array bounds of ‘struct <anonymous>[7]’ [-Werror=array-bounds] output[j].user_set = true; ~~~~~~^~~ builtin-script.c:2575:10: error: array subscript 7 is above array bounds of ‘struct <anonymous>[7]’ [-Werror=array-bounds] output[j].wildcard_set = true; ~~~~~~^~~ cc1: all warnings being treated as errors mv: cannot stat './.builtin-script.o.tmp': No such file or directory make[3]: *** [/home/jolsa/kernel/linux-perf/tools/build/Makefile.build:97: builtin-script.o] Error 1 make[2]: *** [Makefile.perf:507: perf-in.o] Error 2 make[1]: *** [Makefile.perf:206: sub-make] Error 2 make: *** [Makefile:70: all] Error 2
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