From 4cde2d8aa7f705fdc395e05d4acd7a9512871f59 Mon Sep 17 00:00:00 2001 From: Jiri Olsa Date: Wed, 9 Aug 2023 10:34:36 +0200 Subject: [PATCH] selftests/bpf: Add uprobe_multi usdt test code Adding code in uprobe_multi test binary that defines 50k usdts and will serve as attach point for uprobe_multi usdt bench test in following patch. Signed-off-by: Jiri Olsa Link: https://lore.kernel.org/r/20230809083440.3209381-25-jolsa@kernel.org Signed-off-by: Alexei Starovoitov --- tools/testing/selftests/bpf/uprobe_multi.c | 26 +++++++++++++++++++++++++- 1 file changed, 25 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/bpf/uprobe_multi.c b/tools/testing/selftests/bpf/uprobe_multi.c index d19184103fa3..a61ceab60b68 100644 --- a/tools/testing/selftests/bpf/uprobe_multi.c +++ b/tools/testing/selftests/bpf/uprobe_multi.c @@ -2,6 +2,7 @@ #include #include +#include #define __PASTE(a, b) a##b #define PASTE(a, b) __PASTE(a, b) @@ -53,6 +54,27 @@ static int bench(void) return 0; } +#define PROBE STAP_PROBE(test, usdt); + +#define PROBE10 PROBE PROBE PROBE PROBE PROBE \ + PROBE PROBE PROBE PROBE PROBE +#define PROBE100 PROBE10 PROBE10 PROBE10 PROBE10 PROBE10 \ + PROBE10 PROBE10 PROBE10 PROBE10 PROBE10 +#define PROBE1000 PROBE100 PROBE100 PROBE100 PROBE100 PROBE100 \ + PROBE100 PROBE100 PROBE100 PROBE100 PROBE100 +#define PROBE10000 PROBE1000 PROBE1000 PROBE1000 PROBE1000 PROBE1000 \ + PROBE1000 PROBE1000 PROBE1000 PROBE1000 PROBE1000 + +static int usdt(void) +{ + PROBE10000 + PROBE10000 + PROBE10000 + PROBE10000 + PROBE10000 + return 0; +} + int main(int argc, char **argv) { if (argc != 2) @@ -60,8 +82,10 @@ int main(int argc, char **argv) if (!strcmp("bench", argv[1])) return bench(); + if (!strcmp("usdt", argv[1])) + return usdt(); error: - fprintf(stderr, "usage: %s \n", argv[0]); + fprintf(stderr, "usage: %s \n", argv[0]); return -1; } -- 2.11.0