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Diffstat (limited to 'tools/perf/util/header.c')
-rw-r--r--tools/perf/util/header.c112
1 files changed, 97 insertions, 15 deletions
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index 847ae51a524b..6a93ff5d8db5 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -13,6 +13,7 @@
#include <linux/list.h>
#include <linux/kernel.h>
#include <linux/bitops.h>
+#include <linux/string.h>
#include <linux/stringify.h>
#include <sys/stat.h>
#include <sys/utsname.h>
@@ -43,7 +44,7 @@
#include "cputopo.h"
#include "bpf-event.h"
-#include "sane_ctype.h"
+#include <linux/ctype.h>
/*
* magic2 = "PERFILE2"
@@ -416,10 +417,8 @@ static int __write_cpudesc(struct feat_fd *ff, const char *cpuinfo_proc)
while (*p) {
if (isspace(*p)) {
char *r = p + 1;
- char *q = r;
+ char *q = skip_spaces(r);
*p = ' ';
- while (*q && isspace(*q))
- q++;
if (q != (p+1))
while ((*r++ = *q++));
}
@@ -599,6 +598,27 @@ static int write_cpu_topology(struct feat_fd *ff,
if (ret < 0)
return ret;
}
+
+ if (!tp->die_sib)
+ goto done;
+
+ ret = do_write(ff, &tp->die_sib, sizeof(tp->die_sib));
+ if (ret < 0)
+ goto done;
+
+ for (i = 0; i < tp->die_sib; i++) {
+ ret = do_write_string(ff, tp->die_siblings[i]);
+ if (ret < 0)
+ goto done;
+ }
+
+ for (j = 0; j < perf_env.nr_cpus_avail; j++) {
+ ret = do_write(ff, &perf_env.cpu[j].die_id,
+ sizeof(perf_env.cpu[j].die_id));
+ if (ret < 0)
+ return ret;
+ }
+
done:
cpu_topology__delete(tp);
return ret;
@@ -1028,7 +1048,7 @@ static int cpu_cache_level__read(struct cpu_cache_level *cache, u32 cpu, u16 lev
return -1;
cache->type[len] = 0;
- cache->type = rtrim(cache->type);
+ cache->type = strim(cache->type);
scnprintf(file, PATH_MAX, "%s/size", path);
if (sysfs__read_str(file, &cache->size, &len)) {
@@ -1037,7 +1057,7 @@ static int cpu_cache_level__read(struct cpu_cache_level *cache, u32 cpu, u16 lev
}
cache->size[len] = 0;
- cache->size = rtrim(cache->size);
+ cache->size = strim(cache->size);
scnprintf(file, PATH_MAX, "%s/shared_cpu_list", path);
if (sysfs__read_str(file, &cache->map, &len)) {
@@ -1047,7 +1067,7 @@ static int cpu_cache_level__read(struct cpu_cache_level *cache, u32 cpu, u16 lev
}
cache->map[len] = 0;
- cache->map = rtrim(cache->map);
+ cache->map = strim(cache->map);
return 0;
}
@@ -1100,7 +1120,7 @@ static int build_caches(struct cpu_cache_level caches[], u32 size, u32 *cntp)
return 0;
}
-#define MAX_CACHES 2000
+#define MAX_CACHES (MAX_NR_CPUS * 4)
static int write_cache(struct feat_fd *ff,
struct perf_evlist *evlist __maybe_unused)
@@ -1439,10 +1459,20 @@ static void print_cpu_topology(struct feat_fd *ff, FILE *fp)
str = ph->env.sibling_cores;
for (i = 0; i < nr; i++) {
- fprintf(fp, "# sibling cores : %s\n", str);
+ fprintf(fp, "# sibling sockets : %s\n", str);
str += strlen(str) + 1;
}
+ if (ph->env.nr_sibling_dies) {
+ nr = ph->env.nr_sibling_dies;
+ str = ph->env.sibling_dies;
+
+ for (i = 0; i < nr; i++) {
+ fprintf(fp, "# sibling dies : %s\n", str);
+ str += strlen(str) + 1;
+ }
+ }
+
nr = ph->env.nr_sibling_threads;
str = ph->env.sibling_threads;
@@ -1451,12 +1481,28 @@ static void print_cpu_topology(struct feat_fd *ff, FILE *fp)
str += strlen(str) + 1;
}
- if (ph->env.cpu != NULL) {
- for (i = 0; i < cpu_nr; i++)
- fprintf(fp, "# CPU %d: Core ID %d, Socket ID %d\n", i,
- ph->env.cpu[i].core_id, ph->env.cpu[i].socket_id);
- } else
- fprintf(fp, "# Core ID and Socket ID information is not available\n");
+ if (ph->env.nr_sibling_dies) {
+ if (ph->env.cpu != NULL) {
+ for (i = 0; i < cpu_nr; i++)
+ fprintf(fp, "# CPU %d: Core ID %d, "
+ "Die ID %d, Socket ID %d\n",
+ i, ph->env.cpu[i].core_id,
+ ph->env.cpu[i].die_id,
+ ph->env.cpu[i].socket_id);
+ } else
+ fprintf(fp, "# Core ID, Die ID and Socket ID "
+ "information is not available\n");
+ } else {
+ if (ph->env.cpu != NULL) {
+ for (i = 0; i < cpu_nr; i++)
+ fprintf(fp, "# CPU %d: Core ID %d, "
+ "Socket ID %d\n",
+ i, ph->env.cpu[i].core_id,
+ ph->env.cpu[i].socket_id);
+ } else
+ fprintf(fp, "# Core ID and Socket ID "
+ "information is not available\n");
+ }
}
static void print_clockid(struct feat_fd *ff, FILE *fp)
@@ -2214,6 +2260,7 @@ static int process_cpu_topology(struct feat_fd *ff, void *data __maybe_unused)
goto free_cpu;
ph->env.cpu[i].core_id = nr;
+ size += sizeof(u32);
if (do_read_u32(ff, &nr))
goto free_cpu;
@@ -2225,6 +2272,40 @@ static int process_cpu_topology(struct feat_fd *ff, void *data __maybe_unused)
}
ph->env.cpu[i].socket_id = nr;
+ size += sizeof(u32);
+ }
+
+ /*
+ * The header may be from old perf,
+ * which doesn't include die information.
+ */
+ if (ff->size <= size)
+ return 0;
+
+ if (do_read_u32(ff, &nr))
+ return -1;
+
+ ph->env.nr_sibling_dies = nr;
+ size += sizeof(u32);
+
+ for (i = 0; i < nr; i++) {
+ str = do_read_string(ff);
+ if (!str)
+ goto error;
+
+ /* include a NULL character at the end */
+ if (strbuf_add(&sb, str, strlen(str) + 1) < 0)
+ goto error;
+ size += string_size(str);
+ free(str);
+ }
+ ph->env.sibling_dies = strbuf_detach(&sb, NULL);
+
+ for (i = 0; i < (u32)cpu_nr; i++) {
+ if (do_read_u32(ff, &nr))
+ goto free_cpu;
+
+ ph->env.cpu[i].die_id = nr;
}
return 0;
@@ -3602,6 +3683,7 @@ int perf_event__synthesize_features(struct perf_tool *tool,
return -ENOMEM;
ff.size = sz - sz_hdr;
+ ff.ph = &session->header;
for_each_set_bit(feat, header->adds_features, HEADER_FEAT_BITS) {
if (!feat_ops[feat].synthesize) {
generated by cgit v1.2.3 (git 2.39.0) at 2025-01-07 04:24:41 +0300