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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 18:50:03 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 18:50:03 +0000
commit01a69402cf9d38ff180345d55c2ee51c7e89fbc7 (patch)
treeb406c5242a088c4f59c6e4b719b783f43aca6ae9 /tools/perf/util/env.c
parentAdding upstream version 6.7.12. (diff)
downloadlinux-01a69402cf9d38ff180345d55c2ee51c7e89fbc7.tar.xz
linux-01a69402cf9d38ff180345d55c2ee51c7e89fbc7.zip
Adding upstream version 6.8.9.upstream/6.8.9
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tools/perf/util/env.c')
-rw-r--r--tools/perf/util/env.c32
1 files changed, 32 insertions, 0 deletions
diff --git a/tools/perf/util/env.c b/tools/perf/util/env.c
index 8da0e2c763..a459374d0a 100644
--- a/tools/perf/util/env.c
+++ b/tools/perf/util/env.c
@@ -3,6 +3,7 @@
#include "debug.h"
#include "env.h"
#include "util/header.h"
+#include "linux/compiler.h"
#include <linux/ctype.h>
#include <linux/zalloc.h>
#include "cgroup.h"
@@ -12,6 +13,7 @@
#include <string.h>
#include "pmus.h"
#include "strbuf.h"
+#include "trace/beauty/beauty.h"
struct perf_env perf_env;
@@ -467,6 +469,18 @@ const char *perf_env__arch(struct perf_env *env)
return normalize_arch(arch_name);
}
+const char *perf_env__arch_strerrno(struct perf_env *env __maybe_unused, int err __maybe_unused)
+{
+#if defined(HAVE_SYSCALL_TABLE_SUPPORT) && defined(HAVE_LIBTRACEEVENT)
+ if (env->arch_strerrno == NULL)
+ env->arch_strerrno = arch_syscalls__strerrno_function(perf_env__arch(env));
+
+ return env->arch_strerrno ? env->arch_strerrno(err) : "no arch specific strerrno function";
+#else
+ return "!(HAVE_SYSCALL_TABLE_SUPPORT && HAVE_LIBTRACEEVENT)";
+#endif
+}
+
const char *perf_env__cpuid(struct perf_env *env)
{
int status;
@@ -545,6 +559,24 @@ int perf_env__numa_node(struct perf_env *env, struct perf_cpu cpu)
return cpu.cpu >= 0 && cpu.cpu < env->nr_numa_map ? env->numa_map[cpu.cpu] : -1;
}
+bool perf_env__has_pmu_mapping(struct perf_env *env, const char *pmu_name)
+{
+ char *pmu_mapping = env->pmu_mappings, *colon;
+
+ for (int i = 0; i < env->nr_pmu_mappings; ++i) {
+ if (strtoul(pmu_mapping, &colon, 0) == ULONG_MAX || *colon != ':')
+ goto out_error;
+
+ pmu_mapping = colon + 1;
+ if (strcmp(pmu_mapping, pmu_name) == 0)
+ return true;
+
+ pmu_mapping += strlen(pmu_mapping) + 1;
+ }
+out_error:
+ return false;
+}
+
char *perf_env__find_pmu_cap(struct perf_env *env, const char *pmu_name,
const char *cap)
{