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perf script: Add machine_pid and vcpu 

Add fields machine_pid and vcpu. These are displayed only if machine_pid is
non-zero.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: kvm@vger.kernel.org
Link: https://lore.kernel.org/r/20220711093218.10967-16-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Adrian Hunter 2022-07-11 12:31:58 +03:00 committed by Arnaldo Carvalho de Melo
parent 6350490995
commit e28fb159f1
2 changed files with 17 additions and 1 deletions
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7
tools/perf/Documentation/perf-script.txt
View File

@ -133,7 +133,8 @@ OPTIONS
comm, tid, pid, time, cpu, event, trace, ip, sym, dso, addr, symoff,
srcline, period, iregs, uregs, brstack, brstacksym, flags, bpf-output,
brstackinsn, brstackinsnlen, brstackoff, callindent, insn, insnlen, synth,
phys_addr, metric, misc, srccode, ipc, data_page_size, code_page_size, ins_lat.
phys_addr, metric, misc, srccode, ipc, data_page_size, code_page_size, ins_lat,
machine_pid, vcpu.
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
@ -226,6 +227,10 @@ OPTIONS
The ipc (instructions per cycle) field is synthesized and may have a value when
Instruction Trace decoding.
The machine_pid and vcpu fields are derived from data resulting from using
perf insert to insert a perf.data file recorded inside a virtual machine into
a perf.data file recorded on the host at the same time.
Finally, a user may not set fields to none for all event types.
i.e., -F "" is not allowed.

11
tools/perf/builtin-script.c
View File

@ -125,6 +125,8 @@ enum perf_output_field {
PERF_OUTPUT_CODE_PAGE_SIZE = 1ULL << 34,
PERF_OUTPUT_INS_LAT = 1ULL << 35,
PERF_OUTPUT_BRSTACKINSNLEN = 1ULL << 36,
PERF_OUTPUT_MACHINE_PID = 1ULL << 37,
PERF_OUTPUT_VCPU = 1ULL << 38,
};
struct perf_script {
@ -193,6 +195,8 @@ struct output_option {
{.str = "code_page_size", .field = PERF_OUTPUT_CODE_PAGE_SIZE},
{.str = "ins_lat", .field = PERF_OUTPUT_INS_LAT},
{.str = "brstackinsnlen", .field = PERF_OUTPUT_BRSTACKINSNLEN},
{.str = "machine_pid", .field = PERF_OUTPUT_MACHINE_PID},
{.str = "vcpu", .field = PERF_OUTPUT_VCPU},
};
enum {
@ -746,6 +750,13 @@ static int perf_sample__fprintf_start(struct perf_script *script,
int printed = 0;
char tstr[128];
if (PRINT_FIELD(MACHINE_PID) && sample->machine_pid)
printed += fprintf(fp, "VM:%5d ", sample->machine_pid);
/* Print VCPU only for guest events i.e. with machine_pid */
if (PRINT_FIELD(VCPU) && sample->machine_pid)
printed += fprintf(fp, "VCPU:%03d ", sample->vcpu);
if (PRINT_FIELD(COMM)) {
const char *comm = thread ? thread__comm_str(thread) : ":-1";