diff options
Diffstat (limited to 'tools/perf/util/bpf_counter.h')
-rw-r--r-- | tools/perf/util/bpf_counter.h | 74 |
1 files changed, 6 insertions, 68 deletions
diff --git a/tools/perf/util/bpf_counter.h b/tools/perf/util/bpf_counter.h index c6d21c07b14c..658d8e7d507e 100644 --- a/tools/perf/util/bpf_counter.h +++ b/tools/perf/util/bpf_counter.h @@ -2,18 +2,10 @@ #ifndef __PERF_BPF_COUNTER_H #define __PERF_BPF_COUNTER_H 1 -#include <linux/list.h> -#include <sys/resource.h> - -#ifdef HAVE_LIBBPF_SUPPORT -#include <bpf/bpf.h> -#include <bpf/btf.h> -#include <bpf/libbpf.h> -#endif - struct evsel; struct target; -struct bpf_counter; + +#ifdef HAVE_BPF_SKEL typedef int (*bpf_counter_evsel_op)(struct evsel *evsel); typedef int (*bpf_counter_evsel_target_op)(struct evsel *evsel, @@ -22,6 +14,7 @@ typedef int (*bpf_counter_evsel_install_pe_op)(struct evsel *evsel, int cpu_map_idx, int fd); +/* Shared ops between bpf_counter, bpf_counter_cgroup, etc. */ struct bpf_counter_ops { bpf_counter_evsel_target_op load; bpf_counter_evsel_op enable; @@ -31,13 +24,6 @@ struct bpf_counter_ops { bpf_counter_evsel_install_pe_op install_pe; }; -struct bpf_counter { - void *skel; - struct list_head list; -}; - -#ifdef HAVE_BPF_SKEL - int bpf_counter__load(struct evsel *evsel, struct target *target); int bpf_counter__enable(struct evsel *evsel); int bpf_counter__disable(struct evsel *evsel); @@ -45,6 +31,9 @@ int bpf_counter__read(struct evsel *evsel); void bpf_counter__destroy(struct evsel *evsel); int bpf_counter__install_pe(struct evsel *evsel, int cpu_map_idx, int fd); +int bperf_trigger_reading(int prog_fd, int cpu); +void set_max_rlimit(void); + #else /* HAVE_BPF_SKEL */ #include <linux/err.h> @@ -83,55 +72,4 @@ static inline int bpf_counter__install_pe(struct evsel *evsel __maybe_unused, #endif /* HAVE_BPF_SKEL */ -static inline void set_max_rlimit(void) -{ - struct rlimit rinf = { RLIM_INFINITY, RLIM_INFINITY }; - - setrlimit(RLIMIT_MEMLOCK, &rinf); -} - -#ifdef HAVE_BPF_SKEL - -static inline __u32 bpf_link_get_id(int fd) -{ - struct bpf_link_info link_info = { .id = 0, }; - __u32 link_info_len = sizeof(link_info); - - bpf_obj_get_info_by_fd(fd, &link_info, &link_info_len); - return link_info.id; -} - -static inline __u32 bpf_link_get_prog_id(int fd) -{ - struct bpf_link_info link_info = { .id = 0, }; - __u32 link_info_len = sizeof(link_info); - - bpf_obj_get_info_by_fd(fd, &link_info, &link_info_len); - return link_info.prog_id; -} - -static inline __u32 bpf_map_get_id(int fd) -{ - struct bpf_map_info map_info = { .id = 0, }; - __u32 map_info_len = sizeof(map_info); - - bpf_obj_get_info_by_fd(fd, &map_info, &map_info_len); - return map_info.id; -} - -/* trigger the leader program on a cpu */ -static inline int bperf_trigger_reading(int prog_fd, int cpu) -{ - DECLARE_LIBBPF_OPTS(bpf_test_run_opts, opts, - .ctx_in = NULL, - .ctx_size_in = 0, - .flags = BPF_F_TEST_RUN_ON_CPU, - .cpu = cpu, - .retval = 0, - ); - - return bpf_prog_test_run_opts(prog_fd, &opts); -} -#endif /* HAVE_BPF_SKEL */ - #endif /* __PERF_BPF_COUNTER_H */ |