diff options
author | Namhyung Kim <namhyung@kernel.org> | 2023-12-12 16:13:14 -0800 |
---|---|---|
committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2023-12-23 22:39:42 -0300 |
commit | 2f2c41bdd87f450a6a71c5d090d42c248ca4bf1e (patch) | |
tree | 04b7fb0cdf4ec285ae51f2408adda5bdeff53ec9 /tools/perf/util/sort.h | |
parent | 67bc54bbc5a25c0488cc488558a11c14c10f5f14 (diff) |
perf report: Add 'type' sort key
The 'type' sort key is to aggregate hist entries by data type they
access. Add mem_type field to hist_entry struct to save the type. If
hist_entry__get_data_type() returns NULL, it'd use the 'unknown_type'
instance.
Committer testing:
Before:
# perf mem record sleep 2s
[ perf record: Woken up 1 times to write data ]
[ perf record: Captured and wrote 0.037 MB perf.data (4 samples) ]
root@number:/home/acme/Downloads# perf report --stdio -s type
Error:
Unknown --sort key: `type'
Usage: perf report [<options>]
-s, --sort <key[,key2...]>
sort by key(s): overhead overhead_sys overhead_us overhead_guest_sys
overhead_guest_us overhead_children sample period
pid comm dso symbol parent cpu socket srcline srcfile
local_weight weight transaction trace symbol_size
dso_size cgroup cgroup_id ipc_null time code_page_size
local_ins_lat ins_lat local_p_stage_cyc p_stage_cyc
addr local_retire_lat retire_lat simd dso_from dso_to
symbol_from symbol_to mispredict abort in_tx cycles
srcline_from srcline_to ipc_lbr addr_from addr_to
symbol_daddr dso_daddr locked tlb mem snoop dcacheline
symbol_iaddr phys_daddr data_page_size blocked
#
After:
# perf report --stdio -s type
# To display the perf.data header info, please use --header/--header-only options.
#
#
# Total Lost Samples: 0
#
# Samples: 4 of event 'cpu_atom/mem-loads,ldlat=30/P'
# Event count (approx.): 7
#
# Overhead Data Type
# ........ .........
#
100.00% (unknown)
#
# (Tip: Print event counts in CSV format with: perf stat -x,)
#
# rpm -q kernel-debuginfo
kernel-debuginfo-6.6.4-200.fc39.x86_64
# uname -r
6.6.4-200.fc39.x86_64
#
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: linux-toolchains@vger.kernel.org>
Cc: linux-trace-devel@vger.kernel.org>
Link: https://lore.kernel.org/r/20231213001323.718046-9-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/sort.h')
-rw-r--r-- | tools/perf/util/sort.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/tools/perf/util/sort.h b/tools/perf/util/sort.h index ecfb7f1359d5..aabf0b8331a3 100644 --- a/tools/perf/util/sort.h +++ b/tools/perf/util/sort.h @@ -15,6 +15,7 @@ struct option; struct thread; +struct annotated_data_type; extern regex_t parent_regex; extern const char *sort_order; @@ -34,6 +35,7 @@ extern struct sort_entry sort_dso_to; extern struct sort_entry sort_sym_from; extern struct sort_entry sort_sym_to; extern struct sort_entry sort_srcline; +extern struct sort_entry sort_type; extern const char default_mem_sort_order[]; extern bool chk_double_cl; @@ -154,6 +156,7 @@ struct hist_entry { struct perf_hpp_list *hpp_list; struct hist_entry *parent_he; struct hist_entry_ops *ops; + struct annotated_data_type *mem_type; union { /* this is for hierarchical entry structure */ struct { @@ -243,6 +246,7 @@ enum sort_type { SORT_LOCAL_RETIRE_LAT, SORT_GLOBAL_RETIRE_LAT, SORT_SIMD, + SORT_ANNOTATE_DATA_TYPE, /* branch stack specific sort keys */ __SORT_BRANCH_STACK, |