env.c (9c3a985f88fa4de82bf4bda906095ce6444e9039) env.c (1eaf496ed386934f1c2439a120fe84a05194f91a)
1// SPDX-License-Identifier: GPL-2.0
2#include "cpumap.h"
3#include "debug.h"
4#include "env.h"
5#include "util/header.h"
6#include <linux/ctype.h>
7#include <linux/zalloc.h>
8#include "cgroup.h"
9#include <errno.h>
10#include <sys/utsname.h>
11#include <stdlib.h>
12#include <string.h>
1// SPDX-License-Identifier: GPL-2.0
2#include "cpumap.h"
3#include "debug.h"
4#include "env.h"
5#include "util/header.h"
6#include <linux/ctype.h>
7#include <linux/zalloc.h>
8#include "cgroup.h"
9#include <errno.h>
10#include <sys/utsname.h>
11#include <stdlib.h>
12#include <string.h>
13#include "pmus.h"
13#include "strbuf.h"
14
15struct perf_env perf_env;
16
17#ifdef HAVE_LIBBPF_SUPPORT
18#include "bpf-event.h"
19#include "bpf-utils.h"
20#include <bpf/libbpf.h>

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318}
319
320int perf_env__read_pmu_mappings(struct perf_env *env)
321{
322 struct perf_pmu *pmu = NULL;
323 u32 pmu_num = 0;
324 struct strbuf sb;
325
14#include "strbuf.h"
15
16struct perf_env perf_env;
17
18#ifdef HAVE_LIBBPF_SUPPORT
19#include "bpf-event.h"
20#include "bpf-utils.h"
21#include <bpf/libbpf.h>

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319}
320
321int perf_env__read_pmu_mappings(struct perf_env *env)
322{
323 struct perf_pmu *pmu = NULL;
324 u32 pmu_num = 0;
325 struct strbuf sb;
326
326 while ((pmu = perf_pmu__scan(pmu))) {
327 while ((pmu = perf_pmus__scan(pmu))) {
327 if (!pmu->name)
328 continue;
329 pmu_num++;
330 }
331 if (!pmu_num) {
332 pr_debug("pmu mappings not available\n");
333 return -ENOENT;
334 }
335 env->nr_pmu_mappings = pmu_num;
336
337 if (strbuf_init(&sb, 128 * pmu_num) < 0)
338 return -ENOMEM;
339
328 if (!pmu->name)
329 continue;
330 pmu_num++;
331 }
332 if (!pmu_num) {
333 pr_debug("pmu mappings not available\n");
334 return -ENOENT;
335 }
336 env->nr_pmu_mappings = pmu_num;
337
338 if (strbuf_init(&sb, 128 * pmu_num) < 0)
339 return -ENOMEM;
340
340 while ((pmu = perf_pmu__scan(pmu))) {
341 while ((pmu = perf_pmus__scan(pmu))) {
341 if (!pmu->name)
342 continue;
343 if (strbuf_addf(&sb, "%u:%s", pmu->type, pmu->name) < 0)
344 goto error;
345 /* include a NULL character at the end */
346 if (strbuf_add(&sb, "", 1) < 0)
347 goto error;
348 }

--- 235 unchanged lines hidden --- 		342 if (!pmu->name)
343 continue;
344 if (strbuf_addf(&sb, "%u:%s", pmu->type, pmu->name) < 0)
345 goto error;
346 /* include a NULL character at the end */
347 if (strbuf_add(&sb, "", 1) < 0)
348 goto error;
349 }

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