From ace9429bb58fd418f0c81d4c2835699bddf6bde6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:27:49 +0200 Subject: Adding upstream version 6.6.15. Signed-off-by: Daniel Baumann --- tools/perf/tests/workloads/Build | 13 +++++++++ tools/perf/tests/workloads/brstack.c | 40 +++++++++++++++++++++++++++ tools/perf/tests/workloads/datasym.c | 24 +++++++++++++++++ tools/perf/tests/workloads/leafloop.c | 34 +++++++++++++++++++++++ tools/perf/tests/workloads/noploop.c | 32 ++++++++++++++++++++++ tools/perf/tests/workloads/sqrtloop.c | 45 +++++++++++++++++++++++++++++++ tools/perf/tests/workloads/thloop.c | 51 +++++++++++++++++++++++++++++++++++ 7 files changed, 239 insertions(+) create mode 100644 tools/perf/tests/workloads/Build create mode 100644 tools/perf/tests/workloads/brstack.c create mode 100644 tools/perf/tests/workloads/datasym.c create mode 100644 tools/perf/tests/workloads/leafloop.c create mode 100644 tools/perf/tests/workloads/noploop.c create mode 100644 tools/perf/tests/workloads/sqrtloop.c create mode 100644 tools/perf/tests/workloads/thloop.c (limited to 'tools/perf/tests/workloads') diff --git a/tools/perf/tests/workloads/Build b/tools/perf/tests/workloads/Build new file mode 100644 index 0000000000..a1f34d5861 --- /dev/null +++ b/tools/perf/tests/workloads/Build @@ -0,0 +1,13 @@ +# SPDX-License-Identifier: GPL-2.0 + +perf-y += noploop.o +perf-y += thloop.o +perf-y += leafloop.o +perf-y += sqrtloop.o +perf-y += brstack.o +perf-y += datasym.o + +CFLAGS_sqrtloop.o = -g -O0 -fno-inline -U_FORTIFY_SOURCE +CFLAGS_leafloop.o = -g -O0 -fno-inline -fno-omit-frame-pointer -U_FORTIFY_SOURCE +CFLAGS_brstack.o = -g -O0 -fno-inline -U_FORTIFY_SOURCE +CFLAGS_datasym.o = -g -O0 -fno-inline -U_FORTIFY_SOURCE diff --git a/tools/perf/tests/workloads/brstack.c b/tools/perf/tests/workloads/brstack.c new file mode 100644 index 0000000000..0b60bd37b9 --- /dev/null +++ b/tools/perf/tests/workloads/brstack.c @@ -0,0 +1,40 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#include +#include "../tests.h" + +#define BENCH_RUNS 999999 + +static volatile int cnt; + +static void brstack_bar(void) { +} /* return */ + +static void brstack_foo(void) { + brstack_bar(); /* call */ +} /* return */ + +static void brstack_bench(void) { + void (*brstack_foo_ind)(void) = brstack_foo; + + if ((cnt++) % 3) /* branch (cond) */ + brstack_foo(); /* call */ + brstack_bar(); /* call */ + brstack_foo_ind(); /* call (ind) */ +} + +static int brstack(int argc, const char **argv) +{ + int num_loops = BENCH_RUNS; + + if (argc > 0) + num_loops = atoi(argv[0]); + + while (1) { + if ((cnt++) > num_loops) + break; + brstack_bench();/* call */ + } /* branch (uncond) */ + return 0; +} + +DEFINE_WORKLOAD(brstack); diff --git a/tools/perf/tests/workloads/datasym.c b/tools/perf/tests/workloads/datasym.c new file mode 100644 index 0000000000..ddd40bc634 --- /dev/null +++ b/tools/perf/tests/workloads/datasym.c @@ -0,0 +1,24 @@ +#include +#include "../tests.h" + +typedef struct _buf { + char data1; + char reserved[55]; + char data2; +} buf __attribute__((aligned(64))); + +static buf buf1 = { + /* to have this in the data section */ + .reserved[0] = 1, +}; + +static int datasym(int argc __maybe_unused, const char **argv __maybe_unused) +{ + for (;;) { + buf1.data1++; + buf1.data2 += buf1.data1; + } + return 0; +} + +DEFINE_WORKLOAD(datasym); diff --git a/tools/perf/tests/workloads/leafloop.c b/tools/perf/tests/workloads/leafloop.c new file mode 100644 index 0000000000..1bf5cc9764 --- /dev/null +++ b/tools/perf/tests/workloads/leafloop.c @@ -0,0 +1,34 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#include +#include +#include "../tests.h" + +/* We want to check these symbols in perf script */ +noinline void leaf(volatile int b); +noinline void parent(volatile int b); + +static volatile int a; + +noinline void leaf(volatile int b) +{ + for (;;) + a += b; +} + +noinline void parent(volatile int b) +{ + leaf(b); +} + +static int leafloop(int argc, const char **argv) +{ + int c = 1; + + if (argc > 0) + c = atoi(argv[0]); + + parent(c); + return 0; +} + +DEFINE_WORKLOAD(leafloop); diff --git a/tools/perf/tests/workloads/noploop.c b/tools/perf/tests/workloads/noploop.c new file mode 100644 index 0000000000..940ea5910a --- /dev/null +++ b/tools/perf/tests/workloads/noploop.c @@ -0,0 +1,32 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#include +#include +#include +#include +#include "../tests.h" + +static volatile sig_atomic_t done; + +static void sighandler(int sig __maybe_unused) +{ + done = 1; +} + +static int noploop(int argc, const char **argv) +{ + int sec = 1; + + if (argc > 0) + sec = atoi(argv[0]); + + signal(SIGINT, sighandler); + signal(SIGALRM, sighandler); + alarm(sec); + + while (!done) + continue; + + return 0; +} + +DEFINE_WORKLOAD(noploop); diff --git a/tools/perf/tests/workloads/sqrtloop.c b/tools/perf/tests/workloads/sqrtloop.c new file mode 100644 index 0000000000..ccc94c6a66 --- /dev/null +++ b/tools/perf/tests/workloads/sqrtloop.c @@ -0,0 +1,45 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#include +#include +#include +#include +#include +#include +#include "../tests.h" + +static volatile sig_atomic_t done; + +static void sighandler(int sig __maybe_unused) +{ + done = 1; +} + +static int __sqrtloop(int sec) +{ + signal(SIGALRM, sighandler); + alarm(sec); + + while (!done) + (void)sqrt(rand()); + return 0; +} + +static int sqrtloop(int argc, const char **argv) +{ + int sec = 1; + + if (argc > 0) + sec = atoi(argv[0]); + + switch (fork()) { + case 0: + return __sqrtloop(sec); + case -1: + return -1; + default: + wait(NULL); + } + return 0; +} + +DEFINE_WORKLOAD(sqrtloop); diff --git a/tools/perf/tests/workloads/thloop.c b/tools/perf/tests/workloads/thloop.c new file mode 100644 index 0000000000..457b29f91c --- /dev/null +++ b/tools/perf/tests/workloads/thloop.c @@ -0,0 +1,51 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#include +#include +#include +#include +#include +#include "../tests.h" + +static volatile sig_atomic_t done; + +/* We want to check this symbol in perf report */ +noinline void test_loop(void); + +static void sighandler(int sig __maybe_unused) +{ + done = 1; +} + +noinline void test_loop(void) +{ + while (!done); +} + +static void *thfunc(void *arg) +{ + void (*loop_fn)(void) = arg; + + loop_fn(); + return NULL; +} + +static int thloop(int argc, const char **argv) +{ + int sec = 1; + pthread_t th; + + if (argc > 0) + sec = atoi(argv[0]); + + signal(SIGINT, sighandler); + signal(SIGALRM, sighandler); + alarm(sec); + + pthread_create(&th, NULL, thfunc, test_loop); + test_loop(); + pthread_join(th, NULL); + + return 0; +} + +DEFINE_WORKLOAD(thloop); -- cgit v1.2.3