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-rw-r--r--tools/perf/util/affinity.c8
-rw-r--r--tools/perf/util/bpf_counter_cgroup.c10
-rw-r--r--tools/perf/util/bpf_skel/bperf_cgroup.bpf.c2
-rw-r--r--tools/perf/util/genelf.c34
-rw-r--r--tools/perf/util/genelf.h4
-rw-r--r--tools/perf/util/metricgroup.c3
-rw-r--r--tools/perf/util/symbol-elf.c7
-rw-r--r--tools/perf/util/synthetic-events.c17
8 files changed, 61 insertions, 24 deletions
diff --git a/tools/perf/util/affinity.c b/tools/perf/util/affinity.c
index 4d216c0dc425..4ee96b3c755b 100644
--- a/tools/perf/util/affinity.c
+++ b/tools/perf/util/affinity.c
@@ -49,8 +49,14 @@ void affinity__set(struct affinity *a, int cpu)
{
int cpu_set_size = get_cpu_set_size();
- if (cpu == -1)
+ /*
+ * Return:
+ * - if cpu is -1
+ * - restrict out of bound access to sched_cpus
+ */
+ if (cpu == -1 || ((cpu >= (cpu_set_size * 8))))
return;
+
a->changed = true;
set_bit(cpu, a->sched_cpus);
/*
diff --git a/tools/perf/util/bpf_counter_cgroup.c b/tools/perf/util/bpf_counter_cgroup.c
index 63b9db657442..3c2df7522f6f 100644
--- a/tools/perf/util/bpf_counter_cgroup.c
+++ b/tools/perf/util/bpf_counter_cgroup.c
@@ -95,7 +95,7 @@ static int bperf_load_program(struct evlist *evlist)
perf_cpu_map__for_each_cpu(cpu, i, evlist->core.all_cpus) {
link = bpf_program__attach_perf_event(skel->progs.on_cgrp_switch,
- FD(cgrp_switch, cpu.cpu));
+ FD(cgrp_switch, i));
if (IS_ERR(link)) {
pr_err("Failed to attach cgroup program\n");
err = PTR_ERR(link);
@@ -115,15 +115,15 @@ static int bperf_load_program(struct evlist *evlist)
evsel->cgrp = NULL;
/* open single copy of the events w/o cgroup */
- err = evsel__open_per_cpu(evsel, evlist->core.all_cpus, -1);
+ err = evsel__open_per_cpu(evsel, evsel->core.cpus, -1);
if (err) {
pr_err("Failed to open first cgroup events\n");
goto out;
}
map_fd = bpf_map__fd(skel->maps.events);
- perf_cpu_map__for_each_cpu(cpu, j, evlist->core.all_cpus) {
- int fd = FD(evsel, cpu.cpu);
+ perf_cpu_map__for_each_cpu(cpu, j, evsel->core.cpus) {
+ int fd = FD(evsel, j);
__u32 idx = evsel->core.idx * total_cpus + cpu.cpu;
err = bpf_map_update_elem(map_fd, &idx, &fd,
@@ -269,7 +269,7 @@ static int bperf_cgrp__read(struct evsel *evsel)
goto out;
}
- perf_cpu_map__for_each_cpu(cpu, i, evlist->core.all_cpus) {
+ perf_cpu_map__for_each_cpu(cpu, i, evsel->core.cpus) {
counts = perf_counts(evsel->counts, i, 0);
counts->val = values[cpu.cpu].counter;
counts->ena = values[cpu.cpu].enabled;
diff --git a/tools/perf/util/bpf_skel/bperf_cgroup.bpf.c b/tools/perf/util/bpf_skel/bperf_cgroup.bpf.c
index 292c430768b5..c72f8ad96f75 100644
--- a/tools/perf/util/bpf_skel/bperf_cgroup.bpf.c
+++ b/tools/perf/util/bpf_skel/bperf_cgroup.bpf.c
@@ -176,7 +176,7 @@ static int bperf_cgroup_count(void)
}
// This will be attached to cgroup-switches event for each cpu
-SEC("perf_events")
+SEC("perf_event")
int BPF_PROG(on_cgrp_switch)
{
return bperf_cgroup_count();
diff --git a/tools/perf/util/genelf.c b/tools/perf/util/genelf.c
index 953338b9e887..d81b54563e96 100644
--- a/tools/perf/util/genelf.c
+++ b/tools/perf/util/genelf.c
@@ -30,10 +30,6 @@
#define BUILD_ID_URANDOM /* different uuid for each run */
-// FIXME, remove this and fix the deprecation warnings before its removed and
-// We'll break for good here...
-#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
-
#ifdef HAVE_LIBCRYPTO_SUPPORT
#define BUILD_ID_MD5
@@ -45,6 +41,7 @@
#endif
#ifdef BUILD_ID_MD5
+#include <openssl/evp.h>
#include <openssl/md5.h>
#endif
#endif
@@ -142,15 +139,20 @@ gen_build_id(struct buildid_note *note,
static void
gen_build_id(struct buildid_note *note, unsigned long load_addr, const void *code, size_t csize)
{
- MD5_CTX context;
+ EVP_MD_CTX *mdctx;
if (sizeof(note->build_id) < 16)
errx(1, "build_id too small for MD5");
- MD5_Init(&context);
- MD5_Update(&context, &load_addr, sizeof(load_addr));
- MD5_Update(&context, code, csize);
- MD5_Final((unsigned char *)note->build_id, &context);
+ mdctx = EVP_MD_CTX_new();
+ if (!mdctx)
+ errx(2, "failed to create EVP_MD_CTX");
+
+ EVP_DigestInit_ex(mdctx, EVP_md5(), NULL);
+ EVP_DigestUpdate(mdctx, &load_addr, sizeof(load_addr));
+ EVP_DigestUpdate(mdctx, code, csize);
+ EVP_DigestFinal_ex(mdctx, (unsigned char *)note->build_id, NULL);
+ EVP_MD_CTX_free(mdctx);
}
#endif
@@ -251,6 +253,7 @@ jit_write_elf(int fd, uint64_t load_addr, const char *sym,
Elf_Data *d;
Elf_Scn *scn;
Elf_Ehdr *ehdr;
+ Elf_Phdr *phdr;
Elf_Shdr *shdr;
uint64_t eh_frame_base_offset;
char *strsym = NULL;
@@ -286,6 +289,19 @@ jit_write_elf(int fd, uint64_t load_addr, const char *sym,
ehdr->e_shstrndx= unwinding ? 4 : 2; /* shdr index for section name */
/*
+ * setup program header
+ */
+ phdr = elf_newphdr(e, 1);
+ phdr[0].p_type = PT_LOAD;
+ phdr[0].p_offset = 0;
+ phdr[0].p_vaddr = 0;
+ phdr[0].p_paddr = 0;
+ phdr[0].p_filesz = csize;
+ phdr[0].p_memsz = csize;
+ phdr[0].p_flags = PF_X | PF_R;
+ phdr[0].p_align = 8;
+
+ /*
* setup text section
*/
scn = elf_newscn(e);
diff --git a/tools/perf/util/genelf.h b/tools/perf/util/genelf.h
index ae138afe6c56..b5c909546e3f 100644
--- a/tools/perf/util/genelf.h
+++ b/tools/perf/util/genelf.h
@@ -53,8 +53,10 @@ int jit_add_debug_info(Elf *e, uint64_t code_addr, void *debug, int nr_debug_ent
#if GEN_ELF_CLASS == ELFCLASS64
#define elf_newehdr elf64_newehdr
+#define elf_newphdr elf64_newphdr
#define elf_getshdr elf64_getshdr
#define Elf_Ehdr Elf64_Ehdr
+#define Elf_Phdr Elf64_Phdr
#define Elf_Shdr Elf64_Shdr
#define Elf_Sym Elf64_Sym
#define ELF_ST_TYPE(a) ELF64_ST_TYPE(a)
@@ -62,8 +64,10 @@ int jit_add_debug_info(Elf *e, uint64_t code_addr, void *debug, int nr_debug_ent
#define ELF_ST_VIS(a) ELF64_ST_VISIBILITY(a)
#else
#define elf_newehdr elf32_newehdr
+#define elf_newphdr elf32_newphdr
#define elf_getshdr elf32_getshdr
#define Elf_Ehdr Elf32_Ehdr
+#define Elf_Phdr Elf32_Phdr
#define Elf_Shdr Elf32_Shdr
#define Elf_Sym Elf32_Sym
#define ELF_ST_TYPE(a) ELF32_ST_TYPE(a)
diff --git a/tools/perf/util/metricgroup.c b/tools/perf/util/metricgroup.c
index 464475fd6b9a..c93bcaf6d55d 100644
--- a/tools/perf/util/metricgroup.c
+++ b/tools/perf/util/metricgroup.c
@@ -1655,6 +1655,9 @@ int metricgroup__parse_groups(const struct option *opt,
struct evlist *perf_evlist = *(struct evlist **)opt->value;
const struct pmu_events_table *table = pmu_events_table__find();
+ if (!table)
+ return -EINVAL;
+
return parse_groups(perf_evlist, str, metric_no_group,
metric_no_merge, NULL, metric_events, table);
}
diff --git a/tools/perf/util/symbol-elf.c b/tools/perf/util/symbol-elf.c
index 75bec32d4f57..647b7dff8ef3 100644
--- a/tools/perf/util/symbol-elf.c
+++ b/tools/perf/util/symbol-elf.c
@@ -2102,8 +2102,8 @@ static int kcore_copy__compare_file(const char *from_dir, const char *to_dir,
* unusual. One significant peculiarity is that the mapping (start -> pgoff)
* is not the same for the kernel map and the modules map. That happens because
* the data is copied adjacently whereas the original kcore has gaps. Finally,
- * kallsyms and modules files are compared with their copies to check that
- * modules have not been loaded or unloaded while the copies were taking place.
+ * kallsyms file is compared with its copy to check that modules have not been
+ * loaded or unloaded while the copies were taking place.
*
* Return: %0 on success, %-1 on failure.
*/
@@ -2166,9 +2166,6 @@ int kcore_copy(const char *from_dir, const char *to_dir)
goto out_extract_close;
}
- if (kcore_copy__compare_file(from_dir, to_dir, "modules"))
- goto out_extract_close;
-
if (kcore_copy__compare_file(from_dir, to_dir, "kallsyms"))
goto out_extract_close;
diff --git a/tools/perf/util/synthetic-events.c b/tools/perf/util/synthetic-events.c
index 812424dbf2d5..538790758e24 100644
--- a/tools/perf/util/synthetic-events.c
+++ b/tools/perf/util/synthetic-events.c
@@ -367,13 +367,24 @@ static void perf_record_mmap2__read_build_id(struct perf_record_mmap2 *event,
bool is_kernel)
{
struct build_id bid;
+ struct nsinfo *nsi;
+ struct nscookie nc;
int rc;
- if (is_kernel)
+ if (is_kernel) {
rc = sysfs__read_build_id("/sys/kernel/notes", &bid);
- else
- rc = filename__read_build_id(event->filename, &bid) > 0 ? 0 : -1;
+ goto out;
+ }
+
+ nsi = nsinfo__new(event->pid);
+ nsinfo__mountns_enter(nsi, &nc);
+ rc = filename__read_build_id(event->filename, &bid) > 0 ? 0 : -1;
+
+ nsinfo__mountns_exit(&nc);
+ nsinfo__put(nsi);
+
+out:
if (rc == 0) {
memcpy(event->build_id, bid.data, sizeof(bid.data));
event->build_id_size = (u8) bid.size;
generated by cgit v1.2.3 (git 2.39.0) at 2025-03-08 23:16:02 +0300