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perf script: Add 'synth' field for synthesized event payloads

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Add a field to display the content the raw_data of a synthesized event.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Link: http://lkml.kernel.org/r/1495786658-18063-22-git-send-email-adrian.hunter@intel.com
[ Resolved conflict with 106dacd86f ("perf script: Support -F brstackoff,dso") ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Adrian Hunter 2017-05-26 11:17:22 +03:00 committed by Arnaldo Carvalho de Melo
parent 70d110d775
commit 47e780848e
2 changed files with 23 additions and 3 deletions
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6
tools/perf/Documentation/perf-script.txt
View File

@ -117,7 +117,8 @@ OPTIONS
Comma separated list of fields to print. Options are:
comm, tid, pid, time, cpu, event, trace, ip, sym, dso, addr, symoff,
srcline, period, iregs, brstack, brstacksym, flags, bpf-output, brstackinsn, brstackoff,
callindent, insn, insnlen. Field list can be prepended with the type, trace, sw or hw,
callindent, insn, insnlen, synth.
Field list can be prepended with the type, trace, sw or hw,
to indicate to which event type the field list applies.
e.g., -F sw:comm,tid,time,ip,sym and -F trace:time,cpu,trace
@ -193,6 +194,9 @@ OPTIONS
instruction bytes and the instruction length of the current
instruction.
The synth field is used by synthesized events which may be created when
Instruction Trace decoding.
Finally, a user may not set fields to none for all event types.
i.e., -F "" is not allowed.

20
tools/perf/builtin-script.c
View File

@ -86,6 +86,7 @@ enum perf_output_field {
PERF_OUTPUT_INSNLEN = 1U << 22,
PERF_OUTPUT_BRSTACKINSN = 1U << 23,
PERF_OUTPUT_BRSTACKOFF = 1U << 24,
PERF_OUTPUT_SYNTH = 1U << 25,
};
struct output_option {
@ -117,6 +118,7 @@ struct output_option {
{.str = "insnlen", .field = PERF_OUTPUT_INSNLEN},
{.str = "brstackinsn", .field = PERF_OUTPUT_BRSTACKINSN},
{.str = "brstackoff", .field = PERF_OUTPUT_BRSTACKOFF},
{.str = "synth", .field = PERF_OUTPUT_SYNTH},
};
enum {
@ -196,7 +198,8 @@ static struct {
.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
PERF_OUTPUT_SYM | PERF_OUTPUT_DSO,
PERF_OUTPUT_SYM | PERF_OUTPUT_DSO |
PERF_OUTPUT_SYNTH,
.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
},
@ -1200,6 +1203,15 @@ static void print_sample_bpf_output(struct perf_sample *sample)
(char *)(sample->raw_data));
}
static void print_sample_synth(struct perf_sample *sample __maybe_unused,
struct perf_evsel *evsel)
{
switch (evsel->attr.config) {
default:
break;
}
}
struct perf_script {
struct perf_tool tool;
struct perf_session *session;
@ -1284,6 +1296,10 @@ static void process_event(struct perf_script *script,
if (PRINT_FIELD(TRACE))
event_format__print(evsel->tp_format, sample->cpu,
sample->raw_data, sample->raw_size);
if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH))
print_sample_synth(sample, evsel);
if (PRINT_FIELD(ADDR))
print_sample_addr(sample, thread, attr);
@ -2605,7 +2621,7 @@ int cmd_script(int argc, const char **argv)
"Valid types: hw,sw,trace,raw,synth. "
"Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,"
"addr,symoff,period,iregs,brstack,brstacksym,flags,"
"bpf-output,callindent,insn,insnlen,brstackinsn",
"bpf-output,callindent,insn,insnlen,brstackinsn,synth",
parse_output_fields),
OPT_BOOLEAN('a', "all-cpus", &system_wide,
"system-wide collection from all CPUs"),