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-rw-r--r--tools/perf/.gitignore1
-rw-r--r--tools/perf/Makefile52
-rw-r--r--tools/perf/builtin-buildid-list.c2
-rw-r--r--tools/perf/builtin-diff.c3
-rw-r--r--tools/perf/builtin-kmem.c11
-rw-r--r--tools/perf/builtin-record.c14
-rw-r--r--tools/perf/builtin-report.c5
-rw-r--r--tools/perf/builtin-timechart.c2
-rw-r--r--tools/perf/builtin-top.c2
-rw-r--r--tools/perf/builtin-trace.c4
-rw-r--r--tools/perf/design.txt8
-rw-r--r--tools/perf/util/event.c4
12 files changed, 66 insertions, 42 deletions
diff --git a/tools/perf/.gitignore b/tools/perf/.gitignore
index fe08660ce0bd..124760bb37b5 100644
--- a/tools/perf/.gitignore
+++ b/tools/perf/.gitignore
@@ -13,6 +13,7 @@ perf*.xml
perf*.html
common-cmds.h
perf.data
+perf.data.old
tags
TAGS
cscope*
diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index 4390d225686d..2e7fa3a06806 100644
--- a/tools/perf/Makefile
+++ b/tools/perf/Makefile
@@ -250,7 +250,19 @@ PTHREAD_LIBS = -lpthread
# explicitly what architecture to check for. Fix this up for yours..
SPARSE_FLAGS = -D__BIG_ENDIAN__ -D__powerpc__
-ifeq ($(shell sh -c "echo 'int foo(void) {char X[2]; return 3;}' | $(CC) -x c -c -Werror -fstack-protector-all - -o /dev/null "$(QUIET_STDERR)" && echo y"), y)
+ifeq ($(V), 2)
+ QUIET_STDERR = ">/dev/null"
+else
+ QUIET_STDERR = ">/dev/null 2>&1"
+endif
+
+BITBUCKET = "/dev/null"
+
+ifneq ($(shell sh -c "(echo '\#include <stdio.h>'; echo 'int main(void) { return puts(\"hi\"); }') | $(CC) -x c - $(ALL_CFLAGS) -o $(BITBUCKET) "$(QUIET_STDERR)" && echo y"), y)
+ BITBUCKET = .perf.dev.null
+endif
+
+ifeq ($(shell sh -c "echo 'int foo(void) {char X[2]; return 3;}' | $(CC) -x c -c -Werror -fstack-protector-all - -o $(BITBUCKET) "$(QUIET_STDERR)" && echo y"), y)
CFLAGS := $(CFLAGS) -fstack-protector-all
endif
@@ -343,13 +355,18 @@ LIB_H += util/include/linux/string.h
LIB_H += util/include/linux/types.h
LIB_H += util/include/asm/asm-offsets.h
LIB_H += util/include/asm/bitops.h
+LIB_H += util/include/asm/bug.h
LIB_H += util/include/asm/byteorder.h
LIB_H += util/include/asm/swab.h
LIB_H += util/include/asm/system.h
LIB_H += util/include/asm/uaccess.h
LIB_H += perf.h
+LIB_H += util/cache.h
+LIB_H += util/callchain.h
+LIB_H += util/debug.h
LIB_H += util/debugfs.h
LIB_H += util/event.h
+LIB_H += util/exec_cmd.h
LIB_H += util/types.h
LIB_H += util/levenshtein.h
LIB_H += util/parse-options.h
@@ -362,6 +379,7 @@ LIB_H += util/session.h
LIB_H += util/strbuf.h
LIB_H += util/string.h
LIB_H += util/strlist.h
+LIB_H += util/svghelper.h
LIB_H += util/run-command.h
LIB_H += util/sigchain.h
LIB_H += util/symbol.h
@@ -370,6 +388,8 @@ LIB_H += util/values.h
LIB_H += util/sort.h
LIB_H += util/hist.h
LIB_H += util/thread.h
+LIB_H += util/trace-event.h
+LIB_H += util/trace-event-perl.h
LIB_H += util/probe-finder.h
LIB_H += util/probe-event.h
@@ -443,11 +463,6 @@ BUILTIN_OBJS += builtin-kmem.o
PERFLIBS = $(LIB_FILE)
-ifeq ($(V), 2)
- QUIET_STDERR = ">/dev/null"
-else
- QUIET_STDERR = ">/dev/null 2>&1"
-endif
#
# Platform specific tweaks
#
@@ -475,19 +490,19 @@ ifeq ($(uname_S),Darwin)
PTHREAD_LIBS =
endif
-ifeq ($(shell sh -c "(echo '\#include <libelf.h>'; echo 'int main(void) { Elf * elf = elf_begin(0, ELF_C_READ, 0); return (long)elf; }') | $(CC) -x c - $(ALL_CFLAGS) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -o /dev/null $(ALL_LDFLAGS) $(EXTLIBS) "$(QUIET_STDERR)" && echo y"), y)
-ifneq ($(shell sh -c "(echo '\#include <gnu/libc-version.h>'; echo 'int main(void) { const char * version = gnu_get_libc_version(); return (long)version; }') | $(CC) -x c - $(ALL_CFLAGS) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -o /dev/null $(ALL_LDFLAGS) $(EXTLIBS) "$(QUIET_STDERR)" && echo y"), y)
+ifeq ($(shell sh -c "(echo '\#include <libelf.h>'; echo 'int main(void) { Elf * elf = elf_begin(0, ELF_C_READ, 0); return (long)elf; }') | $(CC) -x c - $(ALL_CFLAGS) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -o $(BITBUCKET) $(ALL_LDFLAGS) $(EXTLIBS) "$(QUIET_STDERR)" && echo y"), y)
+ifneq ($(shell sh -c "(echo '\#include <gnu/libc-version.h>'; echo 'int main(void) { const char * version = gnu_get_libc_version(); return (long)version; }') | $(CC) -x c - $(ALL_CFLAGS) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -o $(BITBUCKET) $(ALL_LDFLAGS) $(EXTLIBS) "$(QUIET_STDERR)" && echo y"), y)
msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]/glibc-static);
endif
- ifneq ($(shell sh -c "(echo '\#include <libelf.h>'; echo 'int main(void) { Elf * elf = elf_begin(0, ELF_C_READ_MMAP, 0); return (long)elf; }') | $(CC) -x c - $(ALL_CFLAGS) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -o /dev/null $(ALL_LDFLAGS) $(EXTLIBS) "$(QUIET_STDERR)" && echo y"), y)
+ ifneq ($(shell sh -c "(echo '\#include <libelf.h>'; echo 'int main(void) { Elf * elf = elf_begin(0, ELF_C_READ_MMAP, 0); return (long)elf; }') | $(CC) -x c - $(ALL_CFLAGS) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -o $(BITBUCKET) $(ALL_LDFLAGS) $(EXTLIBS) "$(QUIET_STDERR)" && echo y"), y)
BASIC_CFLAGS += -DLIBELF_NO_MMAP
endif
else
msg := $(error No libelf.h/libelf found, please install libelf-dev/elfutils-libelf-devel and glibc-dev[el]);
endif
-ifneq ($(shell sh -c "(echo '\#ifndef _MIPS_SZLONG'; echo '\#define _MIPS_SZLONG 0'; echo '\#endif'; echo '\#include <dwarf.h>'; echo '\#include <libdwarf.h>'; echo 'int main(void) { Dwarf_Debug dbg; Dwarf_Error err; Dwarf_Ranges *rng; dwarf_init(0, DW_DLC_READ, 0, 0, &dbg, &err); dwarf_get_ranges(dbg, 0, &rng, 0, 0, &err); return (long)dbg; }') | $(CC) -x c - $(ALL_CFLAGS) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -I/usr/include/libdwarf -ldwarf -lelf -o /dev/null $(ALL_LDFLAGS) $(EXTLIBS) "$(QUIET_STDERR)" && echo y"), y)
+ifneq ($(shell sh -c "(echo '\#ifndef _MIPS_SZLONG'; echo '\#define _MIPS_SZLONG 0'; echo '\#endif'; echo '\#include <dwarf.h>'; echo '\#include <libdwarf.h>'; echo 'int main(void) { Dwarf_Debug dbg; Dwarf_Error err; Dwarf_Ranges *rng; dwarf_init(0, DW_DLC_READ, 0, 0, &dbg, &err); dwarf_get_ranges(dbg, 0, &rng, 0, 0, &err); return (long)dbg; }') | $(CC) -x c - $(ALL_CFLAGS) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -I/usr/include/libdwarf -ldwarf -lelf -o $(BITBUCKET) $(ALL_LDFLAGS) $(EXTLIBS) "$(QUIET_STDERR)" && echo y"), y)
msg := $(warning No libdwarf.h found or old libdwarf.h found, disables dwarf support. Please install libdwarf-dev/libdwarf-devel >= 20081231);
BASIC_CFLAGS += -DNO_LIBDWARF
else
@@ -501,7 +516,7 @@ PERL_EMBED_LDOPTS = `perl -MExtUtils::Embed -e ldopts 2>/dev/null`
PERL_EMBED_CCOPTS = `perl -MExtUtils::Embed -e ccopts 2>/dev/null`
endif
-ifneq ($(shell sh -c "(echo '\#include <EXTERN.h>'; echo '\#include <perl.h>'; echo 'int main(void) { perl_alloc(); return 0; }') | $(CC) -x c - $(PERL_EMBED_CCOPTS) -o /dev/null $(PERL_EMBED_LDOPTS) > /dev/null 2>&1 && echo y"), y)
+ifneq ($(shell sh -c "(echo '\#include <EXTERN.h>'; echo '\#include <perl.h>'; echo 'int main(void) { perl_alloc(); return 0; }') | $(CC) -x c - $(PERL_EMBED_CCOPTS) -o $(BITBUCKET) $(PERL_EMBED_LDOPTS) > /dev/null 2>&1 && echo y"), y)
BASIC_CFLAGS += -DNO_LIBPERL
else
ALL_LDFLAGS += $(PERL_EMBED_LDOPTS)
@@ -511,20 +526,20 @@ endif
ifdef NO_DEMANGLE
BASIC_CFLAGS += -DNO_DEMANGLE
else
- has_bfd := $(shell sh -c "(echo '\#include <bfd.h>'; echo 'int main(void) { bfd_demangle(0, 0, 0); return 0; }') | $(CC) -x c - $(ALL_CFLAGS) -o /dev/null $(ALL_LDFLAGS) $(EXTLIBS) -lbfd "$(QUIET_STDERR)" && echo y")
+ has_bfd := $(shell sh -c "(echo '\#include <bfd.h>'; echo 'int main(void) { bfd_demangle(0, 0, 0); return 0; }') | $(CC) -x c - $(ALL_CFLAGS) -o $(BITBUCKET) $(ALL_LDFLAGS) $(EXTLIBS) -lbfd "$(QUIET_STDERR)" && echo y")
ifeq ($(has_bfd),y)
EXTLIBS += -lbfd
else
- has_bfd_iberty := $(shell sh -c "(echo '\#include <bfd.h>'; echo 'int main(void) { bfd_demangle(0, 0, 0); return 0; }') | $(CC) -x c - $(ALL_CFLAGS) -o /dev/null $(ALL_LDFLAGS) $(EXTLIBS) -lbfd -liberty "$(QUIET_STDERR)" && echo y")
+ has_bfd_iberty := $(shell sh -c "(echo '\#include <bfd.h>'; echo 'int main(void) { bfd_demangle(0, 0, 0); return 0; }') | $(CC) -x c - $(ALL_CFLAGS) -o $(BITBUCKET) $(ALL_LDFLAGS) $(EXTLIBS) -lbfd -liberty "$(QUIET_STDERR)" && echo y")
ifeq ($(has_bfd_iberty),y)
EXTLIBS += -lbfd -liberty
else
- has_bfd_iberty_z := $(shell sh -c "(echo '\#include <bfd.h>'; echo 'int main(void) { bfd_demangle(0, 0, 0); return 0; }') | $(CC) -x c - $(ALL_CFLAGS) -o /dev/null $(ALL_LDFLAGS) $(EXTLIBS) -lbfd -liberty -lz "$(QUIET_STDERR)" && echo y")
+ has_bfd_iberty_z := $(shell sh -c "(echo '\#include <bfd.h>'; echo 'int main(void) { bfd_demangle(0, 0, 0); return 0; }') | $(CC) -x c - $(ALL_CFLAGS) -o $(BITBUCKET) $(ALL_LDFLAGS) $(EXTLIBS) -lbfd -liberty -lz "$(QUIET_STDERR)" && echo y")
ifeq ($(has_bfd_iberty_z),y)
EXTLIBS += -lbfd -liberty -lz
else
- has_cplus_demangle := $(shell sh -c "(echo 'extern char *cplus_demangle(const char *, int);'; echo 'int main(void) { cplus_demangle(0, 0); return 0; }') | $(CC) -x c - $(ALL_CFLAGS) -o /dev/null $(ALL_LDFLAGS) $(EXTLIBS) -liberty "$(QUIET_STDERR)" && echo y")
+ has_cplus_demangle := $(shell sh -c "(echo 'extern char *cplus_demangle(const char *, int);'; echo 'int main(void) { cplus_demangle(0, 0); return 0; }') | $(CC) -x c - $(ALL_CFLAGS) -o $(BITBUCKET) $(ALL_LDFLAGS) $(EXTLIBS) -liberty "$(QUIET_STDERR)" && echo y")
ifeq ($(has_cplus_demangle),y)
EXTLIBS += -liberty
BASIC_CFLAGS += -DHAVE_CPLUS_DEMANGLE
@@ -772,7 +787,7 @@ export TAR INSTALL DESTDIR SHELL_PATH
SHELL = $(SHELL_PATH)
-all:: shell_compatibility_test $(ALL_PROGRAMS) $(BUILT_INS) $(OTHER_PROGRAMS) PERF-BUILD-OPTIONS
+all:: .perf.dev.null shell_compatibility_test $(ALL_PROGRAMS) $(BUILT_INS) $(OTHER_PROGRAMS) PERF-BUILD-OPTIONS
ifneq (,$X)
$(foreach p,$(patsubst %$X,%,$(filter %$X,$(ALL_PROGRAMS) $(BUILT_INS) perf$X)), test '$p' -ef '$p$X' || $(RM) '$p';)
endif
@@ -1099,6 +1114,11 @@ clean:
.PHONY: .FORCE-PERF-VERSION-FILE TAGS tags cscope .FORCE-PERF-CFLAGS
.PHONY: .FORCE-PERF-BUILD-OPTIONS
+.perf.dev.null:
+ touch .perf.dev.null
+
+.INTERMEDIATE: .perf.dev.null
+
### Make sure built-ins do not have dups and listed in perf.c
#
check-builtins::
diff --git a/tools/perf/builtin-buildid-list.c b/tools/perf/builtin-buildid-list.c
index e693e6777af5..1e99ac806913 100644
--- a/tools/perf/builtin-buildid-list.c
+++ b/tools/perf/builtin-buildid-list.c
@@ -17,7 +17,7 @@
static char const *input_name = "perf.data";
static int force;
-static const char *const buildid_list_usage[] = {
+static const char * const buildid_list_usage[] = {
"perf buildid-list [<options>]",
NULL
};
diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c
index 4d33b55d5584..bd71b8ceafb7 100644
--- a/tools/perf/builtin-diff.c
+++ b/tools/perf/builtin-diff.c
@@ -189,8 +189,9 @@ out_delete:
return ret;
}
-static const char *const diff_usage[] = {
+static const char * const diff_usage[] = {
"perf diff [<options>] [old_file] [new_file]",
+ NULL,
};
static const struct option options[] = {
diff --git a/tools/perf/builtin-kmem.c b/tools/perf/builtin-kmem.c
index fc21ad79dd83..93c67bf53d2c 100644
--- a/tools/perf/builtin-kmem.c
+++ b/tools/perf/builtin-kmem.c
@@ -137,7 +137,7 @@ static void insert_alloc_stat(unsigned long call_site, unsigned long ptr,
if (data && data->ptr == ptr) {
data->hit++;
data->bytes_req += bytes_req;
- data->bytes_alloc += bytes_req;
+ data->bytes_alloc += bytes_alloc;
} else {
data = malloc(sizeof(*data));
if (!data)
@@ -177,7 +177,7 @@ static void insert_caller_stat(unsigned long call_site,
if (data && data->call_site == call_site) {
data->hit++;
data->bytes_req += bytes_req;
- data->bytes_alloc += bytes_req;
+ data->bytes_alloc += bytes_alloc;
} else {
data = malloc(sizeof(*data));
if (!data)
@@ -375,7 +375,7 @@ static void __print_result(struct rb_root *root, struct perf_session *session,
printf("%.102s\n", graph_dotted_line);
printf(" %-34s |", is_caller ? "Callsite": "Alloc Ptr");
- printf(" Total_alloc/Per | Total_req/Per | Hit | Ping-pong | Frag\n");
+ printf(" Total_alloc/Per | Total_req/Per | Hit | Ping-pong | Frag\n");
printf("%.102s\n", graph_dotted_line);
next = rb_first(root);
@@ -401,7 +401,7 @@ static void __print_result(struct rb_root *root, struct perf_session *session,
snprintf(buf, sizeof(buf), "%#Lx", addr);
printf(" %-34s |", buf);
- printf(" %9llu/%-5lu | %9llu/%-5lu | %6lu | %8lu | %6.3f%%\n",
+ printf(" %9llu/%-5lu | %9llu/%-5lu | %8lu | %8lu | %6.3f%%\n",
(unsigned long long)data->bytes_alloc,
(unsigned long)data->bytes_alloc / data->hit,
(unsigned long long)data->bytes_req,
@@ -784,7 +784,8 @@ int cmd_kmem(int argc, const char **argv, const char *prefix __used)
setup_sorting(&alloc_sort, default_sort_order);
return __cmd_kmem();
- }
+ } else
+ usage_with_options(kmem_usage, kmem_options);
return 0;
}
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index 63136d0534d4..265425322734 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -402,7 +402,7 @@ static void atexit_header(void)
perf_header__write(&session->header, output, true);
}
-static int __cmd_record(int argc __used, const char **argv)
+static int __cmd_record(int argc, const char **argv)
{
int i, counter;
struct stat st;
@@ -411,6 +411,7 @@ static int __cmd_record(int argc __used, const char **argv)
int err;
unsigned long waking = 0;
int child_ready_pipe[2], go_pipe[2];
+ const bool forks = target_pid == -1 && argc > 0;
char buf;
page_size = sysconf(_SC_PAGE_SIZE);
@@ -422,7 +423,7 @@ static int __cmd_record(int argc __used, const char **argv)
signal(SIGCHLD, sig_handler);
signal(SIGINT, sig_handler);
- if (pipe(child_ready_pipe) < 0 || pipe(go_pipe) < 0) {
+ if (forks && (pipe(child_ready_pipe) < 0 || pipe(go_pipe) < 0)) {
perror("failed to create pipes");
exit(-1);
}
@@ -483,7 +484,7 @@ static int __cmd_record(int argc __used, const char **argv)
atexit(atexit_header);
- if (target_pid == -1) {
+ if (forks) {
pid = fork();
if (pid < 0) {
perror("failed to fork");
@@ -550,7 +551,7 @@ static int __cmd_record(int argc __used, const char **argv)
return err;
}
- if (!system_wide)
+ if (!system_wide && profile_cpu == -1)
event__synthesize_thread(pid, process_synthesized_event,
session);
else
@@ -569,7 +570,8 @@ static int __cmd_record(int argc __used, const char **argv)
/*
* Let the child rip
*/
- close(go_pipe[1]);
+ if (forks)
+ close(go_pipe[1]);
for (;;) {
int hits = samples;
@@ -667,7 +669,7 @@ int cmd_record(int argc, const char **argv, const char *prefix __used)
argc = parse_options(argc, argv, options, record_usage,
PARSE_OPT_STOP_AT_NON_OPTION);
- if (!argc && target_pid == -1 && (!system_wide || profile_cpu == -1))
+ if (!argc && target_pid == -1 && !system_wide && profile_cpu == -1)
usage_with_options(record_usage, options);
symbol__init();
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index 5c2ab5357ec6..860f1eeeea7d 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -269,7 +269,7 @@ parse_callchain_opt(const struct option *opt __used, const char *arg,
else if (!strncmp(tok, "none", strlen(arg))) {
callchain_param.mode = CHAIN_NONE;
- symbol_conf.use_callchain = true;
+ symbol_conf.use_callchain = false;
return 0;
}
@@ -294,8 +294,7 @@ setup:
return 0;
}
-//static const char * const report_usage[] = {
-const char * const report_usage[] = {
+static const char * const report_usage[] = {
"perf report [<options>] <command>",
NULL
};
diff --git a/tools/perf/builtin-timechart.c b/tools/perf/builtin-timechart.c
index a589a43112d6..3f8bbcfb1e9b 100644
--- a/tools/perf/builtin-timechart.c
+++ b/tools/perf/builtin-timechart.c
@@ -280,7 +280,7 @@ static u64 cpus_pstate_state[MAX_CPUS];
static int process_comm_event(event_t *event, struct perf_session *session __used)
{
- pid_set_comm(event->comm.pid, event->comm.comm);
+ pid_set_comm(event->comm.tid, event->comm.comm);
return 0;
}
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index ddc584b64871..4b91d8cf00ec 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -705,7 +705,7 @@ static void print_mapped_keys(void)
fprintf(stdout, "\t[w] toggle display weighted/count[E]r. \t(%d)\n", display_weighted ? 1 : 0);
fprintf(stdout,
- "\t[K] hide kernel_symbols symbols. \t(%s)\n",
+ "\t[K] hide kernel_symbols symbols. \t(%s)\n",
hide_kernel_symbols ? "yes" : "no");
fprintf(stdout,
"\t[U] hide user symbols. \t(%s)\n",
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index e2285e28720f..574a215e800b 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -512,7 +512,7 @@ static char *get_script_path(const char *script_root, const char *suffix)
return path;
}
-static const char * const annotate_usage[] = {
+static const char * const trace_usage[] = {
"perf trace [<options>] <command>",
NULL
};
@@ -581,7 +581,7 @@ int cmd_trace(int argc, const char **argv, const char *prefix __used)
setup_scripting();
- argc = parse_options(argc, argv, options, annotate_usage,
+ argc = parse_options(argc, argv, options, trace_usage,
PARSE_OPT_STOP_AT_NON_OPTION);
if (symbol__init() < 0)
diff --git a/tools/perf/design.txt b/tools/perf/design.txt
index f000c30877ac..8d0de5130db3 100644
--- a/tools/perf/design.txt
+++ b/tools/perf/design.txt
@@ -21,7 +21,7 @@ There's one file descriptor per virtual counter used.
The special file descriptor is opened via the perf_event_open()
system call:
- int sys_perf_event_open(struct perf_event_hw_event *hw_event_uptr,
+ int sys_perf_event_open(struct perf_event_attr *hw_event_uptr,
pid_t pid, int cpu, int group_fd,
unsigned long flags);
@@ -32,9 +32,9 @@ can be used to set the blocking mode, etc.
Multiple counters can be kept open at a time, and the counters
can be poll()ed.
-When creating a new counter fd, 'perf_event_hw_event' is:
+When creating a new counter fd, 'perf_event_attr' is:
-struct perf_event_hw_event {
+struct perf_event_attr {
/*
* The MSB of the config word signifies if the rest contains cpu
* specific (raw) counter configuration data, if unset, the next
@@ -399,7 +399,7 @@ Notification of new events is possible through poll()/select()/epoll() and
fcntl() managing signals.
Normally a notification is generated for every page filled, however one can
-additionally set perf_event_hw_event.wakeup_events to generate one every
+additionally set perf_event_attr.wakeup_events to generate one every
so many counter overflow events.
Future work will include a splice() interface to the ring-buffer.
diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c
index bb0fd6da2d56..8a9e6baa3099 100644
--- a/tools/perf/util/event.c
+++ b/tools/perf/util/event.c
@@ -295,10 +295,10 @@ void thread__find_addr_location(struct thread *self,
al->thread = self;
al->addr = addr;
- if (cpumode & PERF_RECORD_MISC_KERNEL) {
+ if (cpumode == PERF_RECORD_MISC_KERNEL) {
al->level = 'k';
mg = &session->kmaps;
- } else if (cpumode & PERF_RECORD_MISC_USER)
+ } else if (cpumode == PERF_RECORD_MISC_USER)
al->level = '.';
else {
al->level = 'H';
generated by cgit v1.2.3 (git 2.0.4) at 2024-11-17 11:52:21 +0000