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authorNamhyung Kim <namhyung@kernel.org>2025-03-07 00:08:29 -0800
committerNamhyung Kim <namhyung@kernel.org>2025-03-20 09:17:56 -0700
commitd10a7aaaf8ce7653ac005fd251931894f6c97e21 (patch)
tree56280ad55aae2665e208f6e6a38f4b838b687e4a /tools/perf/scripts/python
parent6df71c723741ff7a7738cad7ba46edc1d3992f25 (diff)
perf report: Disable children column for data type profiling
I've realized that it doesn't make sense to accumulate the samples to parent in the callchain when data type profiling is enabled. Because it won't have the same data type access in the parent. Otherwise it'd see something like this: $ perf report -s type --stdio -g none # To display the perf.data header info, please use --header/--header-only options. # # # Total Lost Samples: 0 # # Samples: 2K of event 'cycles:Pu' # Event count (approx.): 8266456478 # # Children Latency Self Latency Data Type # ........ ....... ........ ........ ......... # 698.97% 697.72% 99.80% 99.61% (unknown) 0.09% 0.18% 0.09% 0.18% Elf64_Rela 0.05% 0.10% 0.05% 0.10% unsigned char 0.05% 0.10% 0.05% 0.10% struct exit_function_list 0.00% 0.01% 0.00% 0.01% struct rtld_global Link: https://lore.kernel.org/r/20250307080829.354947-3-namhyung@kernel.org Signed-off-by: Namhyung Kim <namhyung@kernel.org>
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