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authorIan Rogers <irogers@google.com>2025-07-24 09:32:49 -0700
committerNamhyung Kim <namhyung@kernel.org>2025-07-25 10:37:56 -0700
commitc3e5b9ec96dee864c2d6b00fbfe52e784f0d7bee (patch)
tree97bfe05652e699c9e314aeea01b661fb49750ab5 /tools/perf/builtin-kvm.c
parent53b00ff358dc75b12042b2b2aaf1d0e998fd0075 (diff)
perf session: Add accessor for session->header.env
The perf_env from the header in the session is frequently accessed, add an accessor function rather than access directly. Cache the value to avoid repeated calls. No behavioral change. Signed-off-by: Ian Rogers <irogers@google.com> Link: https://lore.kernel.org/r/20250724163302.596743-10-irogers@google.com Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Diffstat (limited to 'tools/perf/builtin-kvm.c')
-rw-r--r--tools/perf/builtin-kvm.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/tools/perf/builtin-kvm.c b/tools/perf/builtin-kvm.c
index d75bd3684980..7b15b4a705e4 100644
--- a/tools/perf/builtin-kvm.c
+++ b/tools/perf/builtin-kvm.c
@@ -1175,7 +1175,7 @@ static int cpu_isa_config(struct perf_kvm_stat *kvm)
}
cpuid = buf;
} else
- cpuid = kvm->session->header.env.cpuid;
+ cpuid = perf_session__env(kvm->session)->cpuid;
if (!cpuid) {
pr_err("Failed to look up CPU type\n");
@@ -1561,7 +1561,7 @@ static int read_events(struct perf_kvm_stat *kvm)
return PTR_ERR(kvm->session);
}
- symbol__init(&kvm->session->header.env);
+ symbol__init(perf_session__env(kvm->session));
if (!perf_session__has_traces(kvm->session, "kvm record")) {
ret = -EINVAL;