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| author | Yafang Shao <laoar.shao@gmail.com> | 2022-04-09 12:59:58 +0000 |
|---|---|---|
| committer | Andrii Nakryiko <andrii@kernel.org> | 2022-04-10 20:17:16 -0700 |
| commit | 451b5fbc2c56f19f39be4c9e11b3420a0c5f5d3d (patch) | |
| tree | 895366ef2583f8173d2ab2fa77f690eba84fb4f7 /tools/bpf/runqslower | |
| parent | a777e18f1bcd32528ff5dfd10a6629b655b05eb8 (diff) | |
| download | linux-451b5fbc2c56f19f39be4c9e11b3420a0c5f5d3d.tar.bz2 | |
tools/runqslower: Use libbpf 1.0 API mode instead of RLIMIT_MEMLOCK
Explicitly set libbpf 1.0 API mode, then we can avoid using the deprecated
RLIMIT_MEMLOCK.
Signed-off-by: Yafang Shao <laoar.shao@gmail.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20220409125958.92629-5-laoar.shao@gmail.com
Diffstat (limited to 'tools/bpf/runqslower')
| -rw-r--r-- | tools/bpf/runqslower/runqslower.c | 18 |
1 files changed, 2 insertions, 16 deletions
diff --git a/tools/bpf/runqslower/runqslower.c b/tools/bpf/runqslower/runqslower.c index d78f4148597f..83c5993a139a 100644 --- a/tools/bpf/runqslower/runqslower.c +++ b/tools/bpf/runqslower/runqslower.c @@ -4,7 +4,6 @@ #include <stdio.h> #include <stdlib.h> #include <string.h> -#include <sys/resource.h> #include <time.h> #include <bpf/libbpf.h> #include <bpf/bpf.h> @@ -88,16 +87,6 @@ int libbpf_print_fn(enum libbpf_print_level level, return vfprintf(stderr, format, args); } -static int bump_memlock_rlimit(void) -{ - struct rlimit rlim_new = { - .rlim_cur = RLIM_INFINITY, - .rlim_max = RLIM_INFINITY, - }; - - return setrlimit(RLIMIT_MEMLOCK, &rlim_new); -} - void handle_event(void *ctx, int cpu, void *data, __u32 data_sz) { const struct runq_event *e = data; @@ -133,11 +122,8 @@ int main(int argc, char **argv) libbpf_set_print(libbpf_print_fn); - err = bump_memlock_rlimit(); - if (err) { - fprintf(stderr, "failed to increase rlimit: %d", err); - return 1; - } + /* Use libbpf 1.0 API mode */ + libbpf_set_strict_mode(LIBBPF_STRICT_ALL); obj = runqslower_bpf__open(); if (!obj) { |