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-rw-r--r--tools/perf/bench/bench.h22
-rw-r--r--tools/perf/bench/futex-lock-pi.c2
-rw-r--r--tools/perf/bench/futex.h6
-rw-r--r--tools/perf/bench/mem-functions.c22
-rw-r--r--tools/perf/bench/mem-memcpy-arch.h2
-rw-r--r--tools/perf/bench/mem-memcpy-x86-64-asm.S5
-rw-r--r--tools/perf/bench/mem-memset-arch.h2
-rw-r--r--tools/perf/bench/numa.c2
8 files changed, 36 insertions, 27 deletions
diff --git a/tools/perf/bench/bench.h b/tools/perf/bench/bench.h
index a50df86f2b9b..579a592990dd 100644
--- a/tools/perf/bench/bench.h
+++ b/tools/perf/bench/bench.h
@@ -25,19 +25,17 @@
# endif
#endif
-extern int bench_numa(int argc, const char **argv, const char *prefix);
-extern int bench_sched_messaging(int argc, const char **argv, const char *prefix);
-extern int bench_sched_pipe(int argc, const char **argv, const char *prefix);
-extern int bench_mem_memcpy(int argc, const char **argv,
- const char *prefix __maybe_unused);
-extern int bench_mem_memset(int argc, const char **argv, const char *prefix);
-extern int bench_futex_hash(int argc, const char **argv, const char *prefix);
-extern int bench_futex_wake(int argc, const char **argv, const char *prefix);
-extern int bench_futex_wake_parallel(int argc, const char **argv,
- const char *prefix);
-extern int bench_futex_requeue(int argc, const char **argv, const char *prefix);
+int bench_numa(int argc, const char **argv, const char *prefix);
+int bench_sched_messaging(int argc, const char **argv, const char *prefix);
+int bench_sched_pipe(int argc, const char **argv, const char *prefix);
+int bench_mem_memcpy(int argc, const char **argv, const char *prefix);
+int bench_mem_memset(int argc, const char **argv, const char *prefix);
+int bench_futex_hash(int argc, const char **argv, const char *prefix);
+int bench_futex_wake(int argc, const char **argv, const char *prefix);
+int bench_futex_wake_parallel(int argc, const char **argv, const char *prefix);
+int bench_futex_requeue(int argc, const char **argv, const char *prefix);
/* pi futexes */
-extern int bench_futex_lock_pi(int argc, const char **argv, const char *prefix);
+int bench_futex_lock_pi(int argc, const char **argv, const char *prefix);
#define BENCH_FORMAT_DEFAULT_STR "default"
#define BENCH_FORMAT_DEFAULT 0
diff --git a/tools/perf/bench/futex-lock-pi.c b/tools/perf/bench/futex-lock-pi.c
index 6a18ce21f865..6952db65508a 100644
--- a/tools/perf/bench/futex-lock-pi.c
+++ b/tools/perf/bench/futex-lock-pi.c
@@ -83,7 +83,7 @@ static void *workerfn(void *arg)
do {
int ret;
again:
- ret = futex_lock_pi(w->futex, NULL, 0, futex_flag);
+ ret = futex_lock_pi(w->futex, NULL, futex_flag);
if (ret) { /* handle lock acquisition */
if (!silent)
diff --git a/tools/perf/bench/futex.h b/tools/perf/bench/futex.h
index d44de9f44281..b2e06d1190d0 100644
--- a/tools/perf/bench/futex.h
+++ b/tools/perf/bench/futex.h
@@ -57,13 +57,11 @@ futex_wake(u_int32_t *uaddr, int nr_wake, int opflags)
/**
* futex_lock_pi() - block on uaddr as a PI mutex
- * @detect: whether (1) or not (0) to perform deadlock detection
*/
static inline int
-futex_lock_pi(u_int32_t *uaddr, struct timespec *timeout, int detect,
- int opflags)
+futex_lock_pi(u_int32_t *uaddr, struct timespec *timeout, int opflags)
{
- return futex(uaddr, FUTEX_LOCK_PI, detect, timeout, NULL, 0, opflags);
+ return futex(uaddr, FUTEX_LOCK_PI, 0, timeout, NULL, 0, opflags);
}
/**
diff --git a/tools/perf/bench/mem-functions.c b/tools/perf/bench/mem-functions.c
index a91aa85d80ff..2b54d0f2672a 100644
--- a/tools/perf/bench/mem-functions.c
+++ b/tools/perf/bench/mem-functions.c
@@ -6,6 +6,7 @@
* Written by Hitoshi Mitake <mitake@dcl.info.waseda.ac.jp>
*/
+#include "debug.h"
#include "../perf.h"
#include "../util/util.h"
#include <subcmd/parse-options.h>
@@ -63,14 +64,16 @@ static struct perf_event_attr cycle_attr = {
.config = PERF_COUNT_HW_CPU_CYCLES
};
-static void init_cycles(void)
+static int init_cycles(void)
{
cycles_fd = sys_perf_event_open(&cycle_attr, getpid(), -1, -1, perf_event_open_cloexec_flag());
- if (cycles_fd < 0 && errno == ENOSYS)
- die("No CONFIG_PERF_EVENTS=y kernel support configured?\n");
- else
- BUG_ON(cycles_fd < 0);
+ if (cycles_fd < 0 && errno == ENOSYS) {
+ pr_debug("No CONFIG_PERF_EVENTS=y kernel support configured?\n");
+ return -1;
+ }
+
+ return cycles_fd;
}
static u64 get_cycles(void)
@@ -155,8 +158,13 @@ static int bench_mem_common(int argc, const char **argv, struct bench_mem_info *
argc = parse_options(argc, argv, options, info->usage, 0);
- if (use_cycles)
- init_cycles();
+ if (use_cycles) {
+ i = init_cycles();
+ if (i < 0) {
+ fprintf(stderr, "Failed to open cycles counter\n");
+ return i;
+ }
+ }
size = (size_t)perf_atoll((char *)size_str);
size_total = (double)size * nr_loops;
diff --git a/tools/perf/bench/mem-memcpy-arch.h b/tools/perf/bench/mem-memcpy-arch.h
index 57b4ed871459..5aad2a9408b0 100644
--- a/tools/perf/bench/mem-memcpy-arch.h
+++ b/tools/perf/bench/mem-memcpy-arch.h
@@ -2,7 +2,7 @@
#ifdef HAVE_ARCH_X86_64_SUPPORT
#define MEMCPY_FN(fn, name, desc) \
- extern void *fn(void *, const void *, size_t);
+ void *fn(void *, const void *, size_t);
#include "mem-memcpy-x86-64-asm-def.h"
diff --git a/tools/perf/bench/mem-memcpy-x86-64-asm.S b/tools/perf/bench/mem-memcpy-x86-64-asm.S
index e4c2c30143b9..5c3cce082cb8 100644
--- a/tools/perf/bench/mem-memcpy-x86-64-asm.S
+++ b/tools/perf/bench/mem-memcpy-x86-64-asm.S
@@ -1,6 +1,11 @@
+
+/* Various wrappers to make the kernel .S file build in user-space: */
+
#define memcpy MEMCPY /* don't hide glibc's memcpy() */
#define altinstr_replacement text
#define globl p2align 4; .globl
+#define _ASM_EXTABLE_FAULT(x, y)
+
#include "../../../arch/x86/lib/memcpy_64.S"
/*
* We need to provide note.GNU-stack section, saying that we want
diff --git a/tools/perf/bench/mem-memset-arch.h b/tools/perf/bench/mem-memset-arch.h
index 633800cb0dcb..0d15786d9ae3 100644
--- a/tools/perf/bench/mem-memset-arch.h
+++ b/tools/perf/bench/mem-memset-arch.h
@@ -2,7 +2,7 @@
#ifdef HAVE_ARCH_X86_64_SUPPORT
#define MEMSET_FN(fn, name, desc) \
- extern void *fn(void *, int, size_t);
+ void *fn(void *, int, size_t);
#include "mem-memset-x86-64-asm-def.h"
diff --git a/tools/perf/bench/numa.c b/tools/perf/bench/numa.c
index 5049d6357a46..7500d959d7eb 100644
--- a/tools/perf/bench/numa.c
+++ b/tools/perf/bench/numa.c
@@ -293,7 +293,7 @@ static void bind_to_memnode(int node)
if (node == -1)
return;
- BUG_ON(g->p.nr_nodes > (int)sizeof(nodemask));
+ BUG_ON(g->p.nr_nodes > (int)sizeof(nodemask)*8);
nodemask = 1L << node;
ret = set_mempolicy(MPOL_BIND, &nodemask, sizeof(nodemask)*8);
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