[v4,0/4] perf tools: Add printing perf_event_attr `config` and `id` symbol in perf_event_attr__fprintf()
Message ID | 20230516065538.83021-1-yangjihong1@huawei.com |
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perf tools: Add printing perf_event_attr `config` and `id` symbol in perf_event_attr__fprintf()
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Message
Yang Jihong
May 16, 2023, 6:55 a.m. UTC
Add printing perf_event_attr `config` and `id` symbol to improve the readability of debugging information. Before: # perf --debug verbose=2 record -e cycles,cpu-clock,sched:sched_switch,branch-load-misses,r101,mem:0x0 -C 0 true <SNIP> ------------------------------------------------------------ perf_event_attr: size 136 { sample_period, sample_freq } 4000 sample_type IP|TID|TIME|CPU|PERIOD|IDENTIFIER read_format ID disabled 1 inherit 1 freq 1 sample_id_all 1 exclude_guest 1 ------------------------------------------------------------ sys_perf_event_open: pid -1 cpu 0 group_fd -1 flags 0x8 = 5 ------------------------------------------------------------ perf_event_attr: type 1 size 136 { sample_period, sample_freq } 4000 sample_type IP|TID|TIME|CPU|PERIOD|IDENTIFIER read_format ID disabled 1 inherit 1 freq 1 sample_id_all 1 exclude_guest 1 ------------------------------------------------------------ sys_perf_event_open: pid -1 cpu 0 group_fd -1 flags 0x8 = 6 ------------------------------------------------------------ perf_event_attr: type 2 size 136 config 0x143 { sample_period, sample_freq } 1 sample_type IP|TID|TIME|CPU|PERIOD|RAW|IDENTIFIER read_format ID disabled 1 inherit 1 sample_id_all 1 exclude_guest 1 ------------------------------------------------------------ sys_perf_event_open: pid -1 cpu 0 group_fd -1 flags 0x8 = 7 ------------------------------------------------------------ perf_event_attr: type 3 size 136 config 0x10005 { sample_period, sample_freq } 4000 sample_type IP|TID|TIME|CPU|PERIOD|IDENTIFIER read_format ID disabled 1 inherit 1 freq 1 sample_id_all 1 exclude_guest 1 ------------------------------------------------------------ sys_perf_event_open: pid -1 cpu 0 group_fd -1 flags 0x8 = 9 ------------------------------------------------------------ perf_event_attr: type 4 size 136 config 0x101 { sample_period, sample_freq } 4000 sample_type IP|TID|TIME|CPU|PERIOD|IDENTIFIER read_format ID disabled 1 inherit 1 freq 1 sample_id_all 1 exclude_guest 1 ------------------------------------------------------------ sys_perf_event_open: pid -1 cpu 0 group_fd -1 flags 0x8 = 10 ------------------------------------------------------------ perf_event_attr: type 5 size 136 { sample_period, sample_freq } 1 sample_type IP|TID|TIME|CPU|IDENTIFIER read_format ID disabled 1 inherit 1 sample_id_all 1 exclude_guest 1 bp_type 3 { bp_len, config2 } 0x4 ------------------------------------------------------------ <SNIP> After: # perf --debug verbose=2 record -e cycles,cpu-clock,sched:sched_switch,branch-load-misses,r101,mem:0x0 -C 0 true <SNIP> ------------------------------------------------------------ perf_event_attr: type 0 (PERF_TYPE_HARDWARE) size 136 config 0 (PERF_COUNT_HW_CPU_CYCLES) { sample_period, sample_freq } 4000 sample_type IP|TID|TIME|CPU|PERIOD|IDENTIFIER read_format ID disabled 1 inherit 1 freq 1 sample_id_all 1 exclude_guest 1 ------------------------------------------------------------ sys_perf_event_open: pid -1 cpu 0 group_fd -1 flags 0x8 = 5 ------------------------------------------------------------ perf_event_attr: type 1 (PERF_TYPE_SOFTWARE) size 136 config 0 (PERF_COUNT_SW_CPU_CLOCK) { sample_period, sample_freq } 4000 sample_type IP|TID|TIME|CPU|PERIOD|IDENTIFIER read_format ID disabled 1 inherit 1 freq 1 sample_id_all 1 exclude_guest 1 ------------------------------------------------------------ sys_perf_event_open: pid -1 cpu 0 group_fd -1 flags 0x8 = 6 ------------------------------------------------------------ perf_event_attr: type 2 (PERF_TYPE_TRACEPOINT) size 136 config 0x143 (sched:sched_switch) { sample_period, sample_freq } 1 sample_type IP|TID|TIME|CPU|PERIOD|RAW|IDENTIFIER read_format ID disabled 1 inherit 1 sample_id_all 1 exclude_guest 1 ------------------------------------------------------------ sys_perf_event_open: pid -1 cpu 0 group_fd -1 flags 0x8 = 7 ------------------------------------------------------------ perf_event_attr: type 3 (PERF_TYPE_HW_CACHE) size 136 config 0x10005 (PERF_COUNT_HW_CACHE_RESULT_MISS | PERF_COUNT_HW_CACHE_OP_READ | PERF_COUNT_HW_CACHE_BPU) { sample_period, sample_freq } 4000 sample_type IP|TID|TIME|CPU|PERIOD|IDENTIFIER read_format ID disabled 1 inherit 1 freq 1 sample_id_all 1 exclude_guest 1 ------------------------------------------------------------ sys_perf_event_open: pid -1 cpu 0 group_fd -1 flags 0x8 = 9 ------------------------------------------------------------ perf_event_attr: type 4 (PERF_TYPE_RAW) size 136 config 0x101 { sample_period, sample_freq } 4000 sample_type IP|TID|TIME|CPU|PERIOD|IDENTIFIER read_format ID disabled 1 inherit 1 freq 1 sample_id_all 1 exclude_guest 1 ------------------------------------------------------------ sys_perf_event_open: pid -1 cpu 0 group_fd -1 flags 0x8 = 10 ------------------------------------------------------------ perf_event_attr: type 5 (PERF_TYPE_BREAKPOINT) size 136 config 0 { sample_period, sample_freq } 1 sample_type IP|TID|TIME|CPU|IDENTIFIER read_format ID disabled 1 inherit 1 sample_id_all 1 exclude_guest 1 bp_type 3 { bp_len, config2 } 0x4 ------------------------------------------------------------ sys_perf_event_open: pid -1 cpu 0 group_fd -1 flags 0x8 = 11 ------------------------------------------------------------ perf_event_attr: type 1 (PERF_TYPE_SOFTWARE) size 136 config 0x9 (PERF_COUNT_SW_DUMMY) { sample_period, sample_freq } 4000 sample_type IP|TID|TIME|CPU|PERIOD|IDENTIFIER read_format ID inherit 1 mmap 1 comm 1 freq 1 task 1 sample_id_all 1 mmap2 1 comm_exec 1 ksymbol 1 bpf_event 1 ------------------------------------------------------------ sys_perf_event_open: pid -1 cpu 0 group_fd -1 flags 0x8 = 12 <SNIP> Yang Jihong (4): perf trace-event-info: Add tracepoint_id_to_name() helper perf tools: Extend PRINT_ATTRf to support printing of members with a value of 0 perf tools: Add printing perf_event_attr type symbol in perf_event_attr__fprintf() perf tools: Add printing perf_event_attr config symbol in perf_event_attr__fprintf() tools/perf/util/perf_event_attr_fprintf.c | 186 ++++++++++++++++++++-- tools/perf/util/trace-event-info.c | 11 ++ tools/perf/util/trace-event.h | 6 + 3 files changed, 194 insertions(+), 9 deletions(-)
Comments
On 16/05/23 09:55, Yang Jihong wrote: > Add printing perf_event_attr `config` and `id` symbol to improve the readability of debugging information. > > Before: > > # perf --debug verbose=2 record -e cycles,cpu-clock,sched:sched_switch,branch-load-misses,r101,mem:0x0 -C 0 true > <SNIP> > ------------------------------------------------------------ > perf_event_attr: > size 136 > { sample_period, sample_freq } 4000 > sample_type IP|TID|TIME|CPU|PERIOD|IDENTIFIER > read_format ID > disabled 1 > inherit 1 > freq 1 > sample_id_all 1 > exclude_guest 1 > ------------------------------------------------------------ > sys_perf_event_open: pid -1 cpu 0 group_fd -1 flags 0x8 = 5 > ------------------------------------------------------------ > perf_event_attr: > type 1 > size 136 > { sample_period, sample_freq } 4000 > sample_type IP|TID|TIME|CPU|PERIOD|IDENTIFIER > read_format ID > disabled 1 > inherit 1 > freq 1 > sample_id_all 1 > exclude_guest 1 > ------------------------------------------------------------ > sys_perf_event_open: pid -1 cpu 0 group_fd -1 flags 0x8 = 6 > ------------------------------------------------------------ > perf_event_attr: > type 2 > size 136 > config 0x143 > { sample_period, sample_freq } 1 > sample_type IP|TID|TIME|CPU|PERIOD|RAW|IDENTIFIER > read_format ID > disabled 1 > inherit 1 > sample_id_all 1 > exclude_guest 1 > ------------------------------------------------------------ > sys_perf_event_open: pid -1 cpu 0 group_fd -1 flags 0x8 = 7 > ------------------------------------------------------------ > perf_event_attr: > type 3 > size 136 > config 0x10005 > { sample_period, sample_freq } 4000 > sample_type IP|TID|TIME|CPU|PERIOD|IDENTIFIER > read_format ID > disabled 1 > inherit 1 > freq 1 > sample_id_all 1 > exclude_guest 1 > ------------------------------------------------------------ > sys_perf_event_open: pid -1 cpu 0 group_fd -1 flags 0x8 = 9 > ------------------------------------------------------------ > perf_event_attr: > type 4 > size 136 > config 0x101 > { sample_period, sample_freq } 4000 > sample_type IP|TID|TIME|CPU|PERIOD|IDENTIFIER > read_format ID > disabled 1 > inherit 1 > freq 1 > sample_id_all 1 > exclude_guest 1 > ------------------------------------------------------------ > sys_perf_event_open: pid -1 cpu 0 group_fd -1 flags 0x8 = 10 > ------------------------------------------------------------ > perf_event_attr: > type 5 > size 136 > { sample_period, sample_freq } 1 > sample_type IP|TID|TIME|CPU|IDENTIFIER > read_format ID > disabled 1 > inherit 1 > sample_id_all 1 > exclude_guest 1 > bp_type 3 > { bp_len, config2 } 0x4 > ------------------------------------------------------------ > <SNIP> > > After: > > # perf --debug verbose=2 record -e cycles,cpu-clock,sched:sched_switch,branch-load-misses,r101,mem:0x0 -C 0 true > <SNIP> > ------------------------------------------------------------ > perf_event_attr: > type 0 (PERF_TYPE_HARDWARE) > size 136 > config 0 (PERF_COUNT_HW_CPU_CYCLES) > { sample_period, sample_freq } 4000 > sample_type IP|TID|TIME|CPU|PERIOD|IDENTIFIER > read_format ID > disabled 1 > inherit 1 > freq 1 > sample_id_all 1 > exclude_guest 1 > ------------------------------------------------------------ > sys_perf_event_open: pid -1 cpu 0 group_fd -1 flags 0x8 = 5 > ------------------------------------------------------------ > perf_event_attr: > type 1 (PERF_TYPE_SOFTWARE) > size 136 > config 0 (PERF_COUNT_SW_CPU_CLOCK) > { sample_period, sample_freq } 4000 > sample_type IP|TID|TIME|CPU|PERIOD|IDENTIFIER > read_format ID > disabled 1 > inherit 1 > freq 1 > sample_id_all 1 > exclude_guest 1 > ------------------------------------------------------------ > sys_perf_event_open: pid -1 cpu 0 group_fd -1 flags 0x8 = 6 > ------------------------------------------------------------ > perf_event_attr: > type 2 (PERF_TYPE_TRACEPOINT) > size 136 > config 0x143 (sched:sched_switch) > { sample_period, sample_freq } 1 > sample_type IP|TID|TIME|CPU|PERIOD|RAW|IDENTIFIER > read_format ID > disabled 1 > inherit 1 > sample_id_all 1 > exclude_guest 1 > ------------------------------------------------------------ > sys_perf_event_open: pid -1 cpu 0 group_fd -1 flags 0x8 = 7 > ------------------------------------------------------------ > perf_event_attr: > type 3 (PERF_TYPE_HW_CACHE) > size 136 > config 0x10005 (PERF_COUNT_HW_CACHE_RESULT_MISS | PERF_COUNT_HW_CACHE_OP_READ | PERF_COUNT_HW_CACHE_BPU) > { sample_period, sample_freq } 4000 > sample_type IP|TID|TIME|CPU|PERIOD|IDENTIFIER > read_format ID > disabled 1 > inherit 1 > freq 1 > sample_id_all 1 > exclude_guest 1 > ------------------------------------------------------------ > sys_perf_event_open: pid -1 cpu 0 group_fd -1 flags 0x8 = 9 > ------------------------------------------------------------ > perf_event_attr: > type 4 (PERF_TYPE_RAW) > size 136 > config 0x101 > { sample_period, sample_freq } 4000 > sample_type IP|TID|TIME|CPU|PERIOD|IDENTIFIER > read_format ID > disabled 1 > inherit 1 > freq 1 > sample_id_all 1 > exclude_guest 1 > ------------------------------------------------------------ > sys_perf_event_open: pid -1 cpu 0 group_fd -1 flags 0x8 = 10 > ------------------------------------------------------------ > perf_event_attr: > type 5 (PERF_TYPE_BREAKPOINT) > size 136 > config 0 > { sample_period, sample_freq } 1 > sample_type IP|TID|TIME|CPU|IDENTIFIER > read_format ID > disabled 1 > inherit 1 > sample_id_all 1 > exclude_guest 1 > bp_type 3 > { bp_len, config2 } 0x4 > ------------------------------------------------------------ > sys_perf_event_open: pid -1 cpu 0 group_fd -1 flags 0x8 = 11 > ------------------------------------------------------------ > perf_event_attr: > type 1 (PERF_TYPE_SOFTWARE) > size 136 > config 0x9 (PERF_COUNT_SW_DUMMY) > { sample_period, sample_freq } 4000 > sample_type IP|TID|TIME|CPU|PERIOD|IDENTIFIER > read_format ID > inherit 1 > mmap 1 > comm 1 > freq 1 > task 1 > sample_id_all 1 > mmap2 1 > comm_exec 1 > ksymbol 1 > bpf_event 1 > ------------------------------------------------------------ > sys_perf_event_open: pid -1 cpu 0 group_fd -1 flags 0x8 = 12 > <SNIP> > > Yang Jihong (4): > perf trace-event-info: Add tracepoint_id_to_name() helper > perf tools: Extend PRINT_ATTRf to support printing of members with a > value of 0 > perf tools: Add printing perf_event_attr type symbol in > perf_event_attr__fprintf() > perf tools: Add printing perf_event_attr config symbol in > perf_event_attr__fprintf() > > tools/perf/util/perf_event_attr_fprintf.c | 186 ++++++++++++++++++++-- > tools/perf/util/trace-event-info.c | 11 ++ > tools/perf/util/trace-event.h | 6 + > 3 files changed, 194 insertions(+), 9 deletions(-) > Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Hello, On 2023/5/16 17:49, Adrian Hunter wrote: > On 16/05/23 09:55, Yang Jihong wrote: >> Add printing perf_event_attr `config` and `id` symbol to improve the readability of debugging information. >> >> Before: >> >> # perf --debug verbose=2 record -e cycles,cpu-clock,sched:sched_switch,branch-load-misses,r101,mem:0x0 -C 0 true >> <SNIP> >> ------------------------------------------------------------ >> perf_event_attr: >> size 136 >> { sample_period, sample_freq } 4000 >> sample_type IP|TID|TIME|CPU|PERIOD|IDENTIFIER >> read_format ID >> disabled 1 >> inherit 1 >> freq 1 >> sample_id_all 1 >> exclude_guest 1 >> ------------------------------------------------------------ >> sys_perf_event_open: pid -1 cpu 0 group_fd -1 flags 0x8 = 5 >> ------------------------------------------------------------ >> perf_event_attr: >> type 1 >> size 136 >> { sample_period, sample_freq } 4000 >> sample_type IP|TID|TIME|CPU|PERIOD|IDENTIFIER >> read_format ID >> disabled 1 >> inherit 1 >> freq 1 >> sample_id_all 1 >> exclude_guest 1 >> ------------------------------------------------------------ >> sys_perf_event_open: pid -1 cpu 0 group_fd -1 flags 0x8 = 6 >> ------------------------------------------------------------ >> perf_event_attr: >> type 2 >> size 136 >> config 0x143 >> { sample_period, sample_freq } 1 >> sample_type IP|TID|TIME|CPU|PERIOD|RAW|IDENTIFIER >> read_format ID >> disabled 1 >> inherit 1 >> sample_id_all 1 >> exclude_guest 1 >> ------------------------------------------------------------ >> sys_perf_event_open: pid -1 cpu 0 group_fd -1 flags 0x8 = 7 >> ------------------------------------------------------------ >> perf_event_attr: >> type 3 >> size 136 >> config 0x10005 >> { sample_period, sample_freq } 4000 >> sample_type IP|TID|TIME|CPU|PERIOD|IDENTIFIER >> read_format ID >> disabled 1 >> inherit 1 >> freq 1 >> sample_id_all 1 >> exclude_guest 1 >> ------------------------------------------------------------ >> sys_perf_event_open: pid -1 cpu 0 group_fd -1 flags 0x8 = 9 >> ------------------------------------------------------------ >> perf_event_attr: >> type 4 >> size 136 >> config 0x101 >> { sample_period, sample_freq } 4000 >> sample_type IP|TID|TIME|CPU|PERIOD|IDENTIFIER >> read_format ID >> disabled 1 >> inherit 1 >> freq 1 >> sample_id_all 1 >> exclude_guest 1 >> ------------------------------------------------------------ >> sys_perf_event_open: pid -1 cpu 0 group_fd -1 flags 0x8 = 10 >> ------------------------------------------------------------ >> perf_event_attr: >> type 5 >> size 136 >> { sample_period, sample_freq } 1 >> sample_type IP|TID|TIME|CPU|IDENTIFIER >> read_format ID >> disabled 1 >> inherit 1 >> sample_id_all 1 >> exclude_guest 1 >> bp_type 3 >> { bp_len, config2 } 0x4 >> ------------------------------------------------------------ >> <SNIP> >> >> After: >> >> # perf --debug verbose=2 record -e cycles,cpu-clock,sched:sched_switch,branch-load-misses,r101,mem:0x0 -C 0 true >> <SNIP> >> ------------------------------------------------------------ >> perf_event_attr: >> type 0 (PERF_TYPE_HARDWARE) >> size 136 >> config 0 (PERF_COUNT_HW_CPU_CYCLES) >> { sample_period, sample_freq } 4000 >> sample_type IP|TID|TIME|CPU|PERIOD|IDENTIFIER >> read_format ID >> disabled 1 >> inherit 1 >> freq 1 >> sample_id_all 1 >> exclude_guest 1 >> ------------------------------------------------------------ >> sys_perf_event_open: pid -1 cpu 0 group_fd -1 flags 0x8 = 5 >> ------------------------------------------------------------ >> perf_event_attr: >> type 1 (PERF_TYPE_SOFTWARE) >> size 136 >> config 0 (PERF_COUNT_SW_CPU_CLOCK) >> { sample_period, sample_freq } 4000 >> sample_type IP|TID|TIME|CPU|PERIOD|IDENTIFIER >> read_format ID >> disabled 1 >> inherit 1 >> freq 1 >> sample_id_all 1 >> exclude_guest 1 >> ------------------------------------------------------------ >> sys_perf_event_open: pid -1 cpu 0 group_fd -1 flags 0x8 = 6 >> ------------------------------------------------------------ >> perf_event_attr: >> type 2 (PERF_TYPE_TRACEPOINT) >> size 136 >> config 0x143 (sched:sched_switch) >> { sample_period, sample_freq } 1 >> sample_type IP|TID|TIME|CPU|PERIOD|RAW|IDENTIFIER >> read_format ID >> disabled 1 >> inherit 1 >> sample_id_all 1 >> exclude_guest 1 >> ------------------------------------------------------------ >> sys_perf_event_open: pid -1 cpu 0 group_fd -1 flags 0x8 = 7 >> ------------------------------------------------------------ >> perf_event_attr: >> type 3 (PERF_TYPE_HW_CACHE) >> size 136 >> config 0x10005 (PERF_COUNT_HW_CACHE_RESULT_MISS | PERF_COUNT_HW_CACHE_OP_READ | PERF_COUNT_HW_CACHE_BPU) >> { sample_period, sample_freq } 4000 >> sample_type IP|TID|TIME|CPU|PERIOD|IDENTIFIER >> read_format ID >> disabled 1 >> inherit 1 >> freq 1 >> sample_id_all 1 >> exclude_guest 1 >> ------------------------------------------------------------ >> sys_perf_event_open: pid -1 cpu 0 group_fd -1 flags 0x8 = 9 >> ------------------------------------------------------------ >> perf_event_attr: >> type 4 (PERF_TYPE_RAW) >> size 136 >> config 0x101 >> { sample_period, sample_freq } 4000 >> sample_type IP|TID|TIME|CPU|PERIOD|IDENTIFIER >> read_format ID >> disabled 1 >> inherit 1 >> freq 1 >> sample_id_all 1 >> exclude_guest 1 >> ------------------------------------------------------------ >> sys_perf_event_open: pid -1 cpu 0 group_fd -1 flags 0x8 = 10 >> ------------------------------------------------------------ >> perf_event_attr: >> type 5 (PERF_TYPE_BREAKPOINT) >> size 136 >> config 0 >> { sample_period, sample_freq } 1 >> sample_type IP|TID|TIME|CPU|IDENTIFIER >> read_format ID >> disabled 1 >> inherit 1 >> sample_id_all 1 >> exclude_guest 1 >> bp_type 3 >> { bp_len, config2 } 0x4 >> ------------------------------------------------------------ >> sys_perf_event_open: pid -1 cpu 0 group_fd -1 flags 0x8 = 11 >> ------------------------------------------------------------ >> perf_event_attr: >> type 1 (PERF_TYPE_SOFTWARE) >> size 136 >> config 0x9 (PERF_COUNT_SW_DUMMY) >> { sample_period, sample_freq } 4000 >> sample_type IP|TID|TIME|CPU|PERIOD|IDENTIFIER >> read_format ID >> inherit 1 >> mmap 1 >> comm 1 >> freq 1 >> task 1 >> sample_id_all 1 >> mmap2 1 >> comm_exec 1 >> ksymbol 1 >> bpf_event 1 >> ------------------------------------------------------------ >> sys_perf_event_open: pid -1 cpu 0 group_fd -1 flags 0x8 = 12 >> <SNIP> >> >> Yang Jihong (4): >> perf trace-event-info: Add tracepoint_id_to_name() helper >> perf tools: Extend PRINT_ATTRf to support printing of members with a >> value of 0 >> perf tools: Add printing perf_event_attr type symbol in >> perf_event_attr__fprintf() >> perf tools: Add printing perf_event_attr config symbol in >> perf_event_attr__fprintf() >> >> tools/perf/util/perf_event_attr_fprintf.c | 186 ++++++++++++++++++++-- >> tools/perf/util/trace-event-info.c | 11 ++ >> tools/perf/util/trace-event.h | 6 + >> 3 files changed, 194 insertions(+), 9 deletions(-) >> > > Acked-by: Adrian Hunter <adrian.hunter@intel.com> > Thanks for review! Thanks, Yang > . >