diff options
author | Adrian Hunter <adrian.hunter@intel.com> | 2022-07-11 12:32:17 +0300 |
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committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2022-07-20 11:09:04 -0300 |
commit | 98759cca8440ac157963352d3fe8cf93c0062df6 (patch) | |
tree | 6429437e343344c23673cb9e1dc8156dc656e87f | |
parent | 61cd9135d09bd2e1d87bef7d8af37f00ce043312 (diff) | |
download | linux-98759cca8440ac157963352d3fe8cf93c0062df6.tar.gz |
perf intel-pt: Use guest pid/tid etc in guest samples
When decoding with guest sideband information, for VMX non-root (NR) i.e. guest events, replace the host (hypervisor) pid/tid with guest values, and provide also the new machine_pid and vcpu values. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Acked-by: Ian Rogers <irogers@google.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: kvm@vger.kernel.org Link: https://lore.kernel.org/r/20220711093218.10967-35-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
-rw-r--r-- | tools/perf/util/intel-pt.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/tools/perf/util/intel-pt.c b/tools/perf/util/intel-pt.c index 143a096b567b..d5e9fc8106dd 100644 --- a/tools/perf/util/intel-pt.c +++ b/tools/perf/util/intel-pt.c @@ -1657,6 +1657,17 @@ static void intel_pt_prep_a_sample(struct intel_pt_queue *ptq, sample->pid = ptq->pid; sample->tid = ptq->tid; + + if (ptq->pt->have_guest_sideband) { + if ((ptq->state->from_ip && ptq->state->from_nr) || + (ptq->state->to_ip && ptq->state->to_nr)) { + sample->pid = ptq->guest_pid; + sample->tid = ptq->guest_tid; + sample->machine_pid = ptq->guest_machine_pid; + sample->vcpu = ptq->vcpu; + } + } + sample->cpu = ptq->cpu; sample->insn_len = ptq->insn_len; memcpy(sample->insn, ptq->insn, INTEL_PT_INSN_BUF_SZ); |