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-rw-r--r--tools/perf/arch/powerpc/util/sym-handling.c8
-rw-r--r--tools/perf/builtin-record.c4
-rw-r--r--tools/perf/builtin-report.c18
-rw-r--r--tools/perf/util/evsel.c67
-rw-r--r--tools/perf/util/probe-event.c28
-rw-r--r--tools/perf/util/python-ext-sources1
-rw-r--r--tools/perf/util/symbol.c5
-rw-r--r--tools/perf/util/symbol.h1
-rw-r--r--tools/perf/util/util.c2
-rw-r--r--tools/testing/selftests/net/msg_zerocopy.c21
10 files changed, 138 insertions, 17 deletions
diff --git a/tools/perf/arch/powerpc/util/sym-handling.c b/tools/perf/arch/powerpc/util/sym-handling.c
index 9c4e23d8c8ce..53d83d7e6a09 100644
--- a/tools/perf/arch/powerpc/util/sym-handling.c
+++ b/tools/perf/arch/powerpc/util/sym-handling.c
@@ -64,6 +64,14 @@ int arch__compare_symbol_names_n(const char *namea, const char *nameb,
return strncmp(namea, nameb, n);
}
+
+const char *arch__normalize_symbol_name(const char *name)
+{
+ /* Skip over initial dot */
+ if (name && *name == '.')
+ name++;
+ return name;
+}
#endif
#if defined(_CALL_ELF) && _CALL_ELF == 2
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index 003255910c05..36b6213884b5 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -1781,8 +1781,8 @@ int cmd_record(int argc, const char **argv)
goto out;
}
- /* Enable ignoring missing threads when -u option is defined. */
- rec->opts.ignore_missing_thread = rec->opts.target.uid != UINT_MAX;
+ /* Enable ignoring missing threads when -u/-p option is defined. */
+ rec->opts.ignore_missing_thread = rec->opts.target.uid != UINT_MAX || rec->opts.target.pid;
err = -ENOMEM;
if (perf_evlist__create_maps(rec->evlist, &rec->opts.target) < 0)
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index af5dd038195e..0551a69bd4a5 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -162,12 +162,28 @@ static int hist_iter__branch_callback(struct hist_entry_iter *iter,
struct hist_entry *he = iter->he;
struct report *rep = arg;
struct branch_info *bi;
+ struct perf_sample *sample = iter->sample;
+ struct perf_evsel *evsel = iter->evsel;
+ int err;
+
+ if (!ui__has_annotation())
+ return 0;
+
+ hist__account_cycles(sample->branch_stack, al, sample,
+ rep->nonany_branch_mode);
bi = he->branch_info;
+ err = addr_map_symbol__inc_samples(&bi->from, sample, evsel->idx);
+ if (err)
+ goto out;
+
+ err = addr_map_symbol__inc_samples(&bi->to, sample, evsel->idx);
+
branch_type_count(&rep->brtype_stat, &bi->flags,
bi->from.addr, bi->to.addr);
- return 0;
+out:
+ return err;
}
static int process_sample_event(struct perf_tool *tool,
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index d5fbcf8c7aa7..242d345beda4 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -36,6 +36,7 @@
#include "debug.h"
#include "trace-event.h"
#include "stat.h"
+#include "memswap.h"
#include "util/parse-branch-options.h"
#include "sane_ctype.h"
@@ -1596,10 +1597,46 @@ static int __open_attr__fprintf(FILE *fp, const char *name, const char *val,
return fprintf(fp, " %-32s %s\n", name, val);
}
+static void perf_evsel__remove_fd(struct perf_evsel *pos,
+ int nr_cpus, int nr_threads,
+ int thread_idx)
+{
+ for (int cpu = 0; cpu < nr_cpus; cpu++)
+ for (int thread = thread_idx; thread < nr_threads - 1; thread++)
+ FD(pos, cpu, thread) = FD(pos, cpu, thread + 1);
+}
+
+static int update_fds(struct perf_evsel *evsel,
+ int nr_cpus, int cpu_idx,
+ int nr_threads, int thread_idx)
+{
+ struct perf_evsel *pos;
+
+ if (cpu_idx >= nr_cpus || thread_idx >= nr_threads)
+ return -EINVAL;
+
+ evlist__for_each_entry(evsel->evlist, pos) {
+ nr_cpus = pos != evsel ? nr_cpus : cpu_idx;
+
+ perf_evsel__remove_fd(pos, nr_cpus, nr_threads, thread_idx);
+
+ /*
+ * Since fds for next evsel has not been created,
+ * there is no need to iterate whole event list.
+ */
+ if (pos == evsel)
+ break;
+ }
+ return 0;
+}
+
static bool ignore_missing_thread(struct perf_evsel *evsel,
+ int nr_cpus, int cpu,
struct thread_map *threads,
int thread, int err)
{
+ pid_t ignore_pid = thread_map__pid(threads, thread);
+
if (!evsel->ignore_missing_thread)
return false;
@@ -1615,11 +1652,18 @@ static bool ignore_missing_thread(struct perf_evsel *evsel,
if (threads->nr == 1)
return false;
+ /*
+ * We should remove fd for missing_thread first
+ * because thread_map__remove() will decrease threads->nr.
+ */
+ if (update_fds(evsel, nr_cpus, cpu, threads->nr, thread))
+ return false;
+
if (thread_map__remove(threads, thread))
return false;
pr_warning("WARNING: Ignored open failure for pid %d\n",
- thread_map__pid(threads, thread));
+ ignore_pid);
return true;
}
@@ -1724,7 +1768,7 @@ retry_open:
if (fd < 0) {
err = -errno;
- if (ignore_missing_thread(evsel, threads, thread, err)) {
+ if (ignore_missing_thread(evsel, cpus->nr, cpu, threads, thread, err)) {
/*
* We just removed 1 thread, so take a step
* back on thread index and lower the upper
@@ -2120,14 +2164,27 @@ int perf_evsel__parse_sample(struct perf_evsel *evsel, union perf_event *event,
if (type & PERF_SAMPLE_RAW) {
OVERFLOW_CHECK_u64(array);
u.val64 = *array;
- if (WARN_ONCE(swapped,
- "Endianness of raw data not corrected!\n")) {
- /* undo swap of u64, then swap on individual u32s */
+
+ /*
+ * Undo swap of u64, then swap on individual u32s,
+ * get the size of the raw area and undo all of the
+ * swap. The pevent interface handles endianity by
+ * itself.
+ */
+ if (swapped) {
u.val64 = bswap_64(u.val64);
u.val32[0] = bswap_32(u.val32[0]);
u.val32[1] = bswap_32(u.val32[1]);
}
data->raw_size = u.val32[0];
+
+ /*
+ * The raw data is aligned on 64bits including the
+ * u32 size, so it's safe to use mem_bswap_64.
+ */
+ if (swapped)
+ mem_bswap_64((void *) array, data->raw_size);
+
array = (void *)array + sizeof(u32);
OVERFLOW_CHECK(array, data->raw_size, max_size);
diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c
index b7aaf9b2294d..68786bb7790e 100644
--- a/tools/perf/util/probe-event.c
+++ b/tools/perf/util/probe-event.c
@@ -2625,6 +2625,14 @@ static int get_new_event_name(char *buf, size_t len, const char *base,
out:
free(nbase);
+
+ /* Final validation */
+ if (ret >= 0 && !is_c_func_name(buf)) {
+ pr_warning("Internal error: \"%s\" is an invalid event name.\n",
+ buf);
+ ret = -EINVAL;
+ }
+
return ret;
}
@@ -2792,16 +2800,32 @@ static int find_probe_functions(struct map *map, char *name,
int found = 0;
struct symbol *sym;
struct rb_node *tmp;
+ const char *norm, *ver;
+ char *buf = NULL;
if (map__load(map) < 0)
return 0;
map__for_each_symbol(map, sym, tmp) {
- if (strglobmatch(sym->name, name)) {
+ norm = arch__normalize_symbol_name(sym->name);
+ if (!norm)
+ continue;
+
+ /* We don't care about default symbol or not */
+ ver = strchr(norm, '@');
+ if (ver) {
+ buf = strndup(norm, ver - norm);
+ if (!buf)
+ return -ENOMEM;
+ norm = buf;
+ }
+ if (strglobmatch(norm, name)) {
found++;
if (syms && found < probe_conf.max_probes)
syms[found - 1] = sym;
}
+ if (buf)
+ zfree(&buf);
}
return found;
@@ -2847,7 +2871,7 @@ static int find_probe_trace_events_from_map(struct perf_probe_event *pev,
* same name but different addresses, this lists all the symbols.
*/
num_matched_functions = find_probe_functions(map, pp->function, syms);
- if (num_matched_functions == 0) {
+ if (num_matched_functions <= 0) {
pr_err("Failed to find symbol %s in %s\n", pp->function,
pev->target ? : "kernel");
ret = -ENOENT;
diff --git a/tools/perf/util/python-ext-sources b/tools/perf/util/python-ext-sources
index b4f2f06722a7..7aa0ea64544e 100644
--- a/tools/perf/util/python-ext-sources
+++ b/tools/perf/util/python-ext-sources
@@ -10,6 +10,7 @@ util/ctype.c
util/evlist.c
util/evsel.c
util/cpumap.c
+util/memswap.c
util/mmap.c
util/namespaces.c
../lib/bitmap.c
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index 1b67a8639dfe..cc065d4bfafc 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -94,6 +94,11 @@ static int prefix_underscores_count(const char *str)
return tail - str;
}
+const char * __weak arch__normalize_symbol_name(const char *name)
+{
+ return name;
+}
+
int __weak arch__compare_symbol_names(const char *namea, const char *nameb)
{
return strcmp(namea, nameb);
diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h
index a4f0075b4e5c..0563f33c1eb3 100644
--- a/tools/perf/util/symbol.h
+++ b/tools/perf/util/symbol.h
@@ -349,6 +349,7 @@ bool elf__needs_adjust_symbols(GElf_Ehdr ehdr);
void arch__sym_update(struct symbol *s, GElf_Sym *sym);
#endif
+const char *arch__normalize_symbol_name(const char *name);
#define SYMBOL_A 0
#define SYMBOL_B 1
diff --git a/tools/perf/util/util.c b/tools/perf/util/util.c
index a789f952b3e9..443892dabedb 100644
--- a/tools/perf/util/util.c
+++ b/tools/perf/util/util.c
@@ -210,7 +210,7 @@ static int copyfile_offset(int ifd, loff_t off_in, int ofd, loff_t off_out, u64
size -= ret;
off_in += ret;
- off_out -= ret;
+ off_out += ret;
}
munmap(ptr, off_in + size);
diff --git a/tools/testing/selftests/net/msg_zerocopy.c b/tools/testing/selftests/net/msg_zerocopy.c
index 3ab6ec403905..e11fe84de0fd 100644
--- a/tools/testing/selftests/net/msg_zerocopy.c
+++ b/tools/testing/selftests/net/msg_zerocopy.c
@@ -259,22 +259,28 @@ static int setup_ip6h(struct ipv6hdr *ip6h, uint16_t payload_len)
return sizeof(*ip6h);
}
-static void setup_sockaddr(int domain, const char *str_addr, void *sockaddr)
+
+static void setup_sockaddr(int domain, const char *str_addr,
+ struct sockaddr_storage *sockaddr)
{
struct sockaddr_in6 *addr6 = (void *) sockaddr;
struct sockaddr_in *addr4 = (void *) sockaddr;
switch (domain) {
case PF_INET:
+ memset(addr4, 0, sizeof(*addr4));
addr4->sin_family = AF_INET;
addr4->sin_port = htons(cfg_port);
- if (inet_pton(AF_INET, str_addr, &(addr4->sin_addr)) != 1)
+ if (str_addr &&
+ inet_pton(AF_INET, str_addr, &(addr4->sin_addr)) != 1)
error(1, 0, "ipv4 parse error: %s", str_addr);
break;
case PF_INET6:
+ memset(addr6, 0, sizeof(*addr6));
addr6->sin6_family = AF_INET6;
addr6->sin6_port = htons(cfg_port);
- if (inet_pton(AF_INET6, str_addr, &(addr6->sin6_addr)) != 1)
+ if (str_addr &&
+ inet_pton(AF_INET6, str_addr, &(addr6->sin6_addr)) != 1)
error(1, 0, "ipv6 parse error: %s", str_addr);
break;
default:
@@ -603,6 +609,7 @@ static void parse_opts(int argc, char **argv)
sizeof(struct tcphdr) -
40 /* max tcp options */;
int c;
+ char *daddr = NULL, *saddr = NULL;
cfg_payload_len = max_payload_len;
@@ -627,7 +634,7 @@ static void parse_opts(int argc, char **argv)
cfg_cpu = strtol(optarg, NULL, 0);
break;
case 'D':
- setup_sockaddr(cfg_family, optarg, &cfg_dst_addr);
+ daddr = optarg;
break;
case 'i':
cfg_ifindex = if_nametoindex(optarg);
@@ -638,7 +645,7 @@ static void parse_opts(int argc, char **argv)
cfg_cork_mixed = true;
break;
case 'p':
- cfg_port = htons(strtoul(optarg, NULL, 0));
+ cfg_port = strtoul(optarg, NULL, 0);
break;
case 'r':
cfg_rx = true;
@@ -647,7 +654,7 @@ static void parse_opts(int argc, char **argv)
cfg_payload_len = strtoul(optarg, NULL, 0);
break;
case 'S':
- setup_sockaddr(cfg_family, optarg, &cfg_src_addr);
+ saddr = optarg;
break;
case 't':
cfg_runtime_ms = 200 + strtoul(optarg, NULL, 10) * 1000;
@@ -660,6 +667,8 @@ static void parse_opts(int argc, char **argv)
break;
}
}
+ setup_sockaddr(cfg_family, daddr, &cfg_dst_addr);
+ setup_sockaddr(cfg_family, saddr, &cfg_src_addr);
if (cfg_payload_len > max_payload_len)
error(1, 0, "-s: payload exceeds max (%d)", max_payload_len);
generated by cgit 1.2.3-korg (git 2.39.0) at 2024-04-27 15:35:27 +0000