diff options
Diffstat (limited to 'samples/bpf/tracex3_user.c')
| -rw-r--r-- | samples/bpf/tracex3_user.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/samples/bpf/tracex3_user.c b/samples/bpf/tracex3_user.c index 48716f7f0d8b..8f7d199d5945 100644 --- a/samples/bpf/tracex3_user.c +++ b/samples/bpf/tracex3_user.c @@ -11,8 +11,10 @@ #include <stdbool.h> #include <string.h> #include <linux/bpf.h> + #include "libbpf.h" #include "bpf_load.h" +#include "bpf_util.h" #define ARRAY_SIZE(x) (sizeof(x) / sizeof(*(x))) @@ -20,13 +22,13 @@ static void clear_stats(int fd) { - unsigned int nr_cpus = sysconf(_SC_NPROCESSORS_CONF); + unsigned int nr_cpus = bpf_num_possible_cpus(); __u64 values[nr_cpus]; __u32 key; memset(values, 0, sizeof(values)); for (key = 0; key < SLOTS; key++) - bpf_update_elem(fd, &key, values, BPF_ANY); + bpf_map_update_elem(fd, &key, values, BPF_ANY); } const char *color[] = { @@ -77,7 +79,7 @@ static void print_banner(void) static void print_hist(int fd) { - unsigned int nr_cpus = sysconf(_SC_NPROCESSORS_CONF); + unsigned int nr_cpus = bpf_num_possible_cpus(); __u64 total_events = 0; long values[nr_cpus]; __u64 max_cnt = 0; @@ -87,7 +89,7 @@ static void print_hist(int fd) int i; for (key = 0; key < SLOTS; key++) { - bpf_lookup_elem(fd, &key, values); + bpf_map_lookup_elem(fd, &key, values); value = 0; for (i = 0; i < nr_cpus; i++) value += values[i]; |