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selftests/bpf: Change uprobe/usdt trigger bench code to use nop10

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Changing uprobe/usdt trigger bench code to use nop10 instead
of nop5. Also changing run_bench_uprobes.sh to use nop10 triggers.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Reviewed-by: Jakub Sitnicki <jakub@cloudflare.com>
Link: https://patch.msgid.link/20260703114917.238144-11-jolsa@kernel.org
This commit is contained in:
Jiri Olsa
2026-07-03 13:49:14 +02:00
committed by Ingo Molnar
parent ec0596a020
commit b2cf7c41e4
3 changed files with 29 additions and 29 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
tools/testing/selftests/bpf/bench.c
View File

@@ -539,12 +539,12 @@ extern const struct bench bench_trig_uretprobe_multi_push;
extern const struct bench bench_trig_uprobe_multi_ret;
extern const struct bench bench_trig_uretprobe_multi_ret;
#ifdef __x86_64__
extern const struct bench bench_trig_uprobe_nop5;
extern const struct bench bench_trig_uretprobe_nop5;
extern const struct bench bench_trig_uprobe_multi_nop5;
extern const struct bench bench_trig_uretprobe_multi_nop5;
extern const struct bench bench_trig_uprobe_nop10;
extern const struct bench bench_trig_uretprobe_nop10;
extern const struct bench bench_trig_uprobe_multi_nop10;
extern const struct bench bench_trig_uretprobe_multi_nop10;
extern const struct bench bench_trig_usdt_nop;
extern const struct bench bench_trig_usdt_nop5;
extern const struct bench bench_trig_usdt_nop10;
#endif
extern const struct bench bench_rb_libbpf;
@@ -622,12 +622,12 @@ static const struct bench *benchs[] = {
&bench_trig_uprobe_multi_ret,
&bench_trig_uretprobe_multi_ret,
#ifdef __x86_64__
&bench_trig_uprobe_nop5,
&bench_trig_uretprobe_nop5,
&bench_trig_uprobe_multi_nop5,
&bench_trig_uretprobe_multi_nop5,
&bench_trig_uprobe_nop10,
&bench_trig_uretprobe_nop10,
&bench_trig_uprobe_multi_nop10,
&bench_trig_uretprobe_multi_nop10,
&bench_trig_usdt_nop,
&bench_trig_usdt_nop5,
&bench_trig_usdt_nop10,
#endif
/* ringbuf/perfbuf benchmarks */
&bench_rb_libbpf,

36
tools/testing/selftests/bpf/benchs/bench_trigger.c
View File

@@ -396,15 +396,15 @@ static void *uprobe_producer_ret(void *input)
}
#ifdef __x86_64__
__nocf_check __weak void uprobe_target_nop5(void)
__nocf_check __weak void uprobe_target_nop10(void)
{
asm volatile (".byte 0x66, 0x2e, 0x0f, 0x1f, 0x84, 0x00, 0x00, 0x00, 0x00, 0x00");
}
static void *uprobe_producer_nop5(void *input)
static void *uprobe_producer_nop10(void *input)
{
while (true)
uprobe_target_nop5();
uprobe_target_nop10();
return NULL;
}
@@ -418,7 +418,7 @@ static void *uprobe_producer_usdt_nop(void *input)
return NULL;
}
static void *uprobe_producer_usdt_nop5(void *input)
static void *uprobe_producer_usdt_nop10(void *input)
{
while (true)
usdt_2();
@@ -542,24 +542,24 @@ static void uretprobe_multi_ret_setup(void)
}
#ifdef __x86_64__
static void uprobe_nop5_setup(void)
static void uprobe_nop10_setup(void)
{
usetup(false, false /* !use_multi */, &uprobe_target_nop5);
usetup(false, false /* !use_multi */, &uprobe_target_nop10);
}
static void uretprobe_nop5_setup(void)
static void uretprobe_nop10_setup(void)
{
usetup(true, false /* !use_multi */, &uprobe_target_nop5);
usetup(true, false /* !use_multi */, &uprobe_target_nop10);
}
static void uprobe_multi_nop5_setup(void)
static void uprobe_multi_nop10_setup(void)
{
usetup(false, true /* use_multi */, &uprobe_target_nop5);
usetup(false, true /* use_multi */, &uprobe_target_nop10);
}
static void uretprobe_multi_nop5_setup(void)
static void uretprobe_multi_nop10_setup(void)
{
usetup(true, true /* use_multi */, &uprobe_target_nop5);
usetup(true, true /* use_multi */, &uprobe_target_nop10);
}
static void usdt_setup(const char *name)
@@ -598,7 +598,7 @@ static void usdt_nop_setup(void)
usdt_setup("usdt_1");
}
static void usdt_nop5_setup(void)
static void usdt_nop10_setup(void)
{
usdt_setup("usdt_2");
}
@@ -665,10 +665,10 @@ BENCH_TRIG_USERMODE(uretprobe_multi_nop, nop, "uretprobe-multi-nop");
BENCH_TRIG_USERMODE(uretprobe_multi_push, push, "uretprobe-multi-push");
BENCH_TRIG_USERMODE(uretprobe_multi_ret, ret, "uretprobe-multi-ret");
#ifdef __x86_64__
BENCH_TRIG_USERMODE(uprobe_nop5, nop5, "uprobe-nop5");
BENCH_TRIG_USERMODE(uretprobe_nop5, nop5, "uretprobe-nop5");
BENCH_TRIG_USERMODE(uprobe_multi_nop5, nop5, "uprobe-multi-nop5");
BENCH_TRIG_USERMODE(uretprobe_multi_nop5, nop5, "uretprobe-multi-nop5");
BENCH_TRIG_USERMODE(uprobe_nop10, nop10, "uprobe-nop10");
BENCH_TRIG_USERMODE(uretprobe_nop10, nop10, "uretprobe-nop10");
BENCH_TRIG_USERMODE(uprobe_multi_nop10, nop10, "uprobe-multi-nop10");
BENCH_TRIG_USERMODE(uretprobe_multi_nop10, nop10, "uretprobe-multi-nop10");
BENCH_TRIG_USERMODE(usdt_nop, usdt_nop, "usdt-nop");
BENCH_TRIG_USERMODE(usdt_nop5, usdt_nop5, "usdt-nop5");
BENCH_TRIG_USERMODE(usdt_nop10, usdt_nop10, "usdt-nop10");
#endif

2
tools/testing/selftests/bpf/benchs/run_bench_uprobes.sh
View File

@@ -2,7 +2,7 @@
set -eufo pipefail
for i in usermode-count syscall-count {uprobe,uretprobe}-{nop,push,ret,nop5} usdt-nop usdt-nop5
for i in usermode-count syscall-count {uprobe,uretprobe}-{nop,push,ret,nop10} usdt-nop usdt-nop10
do
summary=$(sudo ./bench -w2 -d5 -a trig-$i | tail -n1 | cut -d'(' -f1 | cut -d' ' -f3-)
printf "%-15s: %s\n" $i "$summary"