diff options
Diffstat (limited to 'samples/bpf')
| -rw-r--r-- | samples/bpf/Makefile | 1 | ||||
| -rw-r--r-- | samples/bpf/test_lru_dist.c | 5 | ||||
| -rw-r--r-- | samples/bpf/tracex2_user.c | 4 | ||||
| -rw-r--r-- | samples/bpf/tracex3_user.c | 6 | ||||
| -rw-r--r-- | samples/bpf/xdp1_user.c | 4 |
5 files changed, 15 insertions, 5 deletions
diff --git a/samples/bpf/Makefile b/samples/bpf/Makefile index fb17206..22b6407e 100644 --- a/samples/bpf/Makefile +++ b/samples/bpf/Makefile @@ -91,6 +91,7 @@ always += trace_event_kern.o always += sampleip_kern.o HOSTCFLAGS += -I$(objtree)/usr/include +HOSTCFLAGS += -I$(objtree)/tools/testing/selftests/bpf/ HOSTCFLAGS_bpf_load.o += -I$(objtree)/usr/include -Wno-unused-variable HOSTLOADLIBES_fds_example += -lelf diff --git a/samples/bpf/test_lru_dist.c b/samples/bpf/test_lru_dist.c index 2859977..316230a 100644 --- a/samples/bpf/test_lru_dist.c +++ b/samples/bpf/test_lru_dist.c @@ -16,10 +16,13 @@ #include <sched.h> #include <sys/wait.h> #include <sys/stat.h> +#include <sys/resource.h> #include <fcntl.h> #include <stdlib.h> #include <time.h> + #include "libbpf.h" +#include "bpf_util.h" #define min(a, b) ((a) < (b) ? (a) : (b)) #define offsetof(TYPE, MEMBER) ((size_t)&((TYPE *)0)->MEMBER) @@ -510,7 +513,7 @@ int main(int argc, char **argv) srand(time(NULL)); - nr_cpus = sysconf(_SC_NPROCESSORS_CONF); + nr_cpus = bpf_num_possible_cpus(); assert(nr_cpus != -1); printf("nr_cpus:%d\n\n", nr_cpus); diff --git a/samples/bpf/tracex2_user.c b/samples/bpf/tracex2_user.c index ab5b19e..3e225e3 100644 --- a/samples/bpf/tracex2_user.c +++ b/samples/bpf/tracex2_user.c @@ -4,8 +4,10 @@ #include <signal.h> #include <linux/bpf.h> #include <string.h> + #include "libbpf.h" #include "bpf_load.h" +#include "bpf_util.h" #define MAX_INDEX 64 #define MAX_STARS 38 @@ -36,8 +38,8 @@ struct hist_key { static void print_hist_for_pid(int fd, void *task) { + unsigned int nr_cpus = bpf_num_possible_cpus(); struct hist_key key = {}, next_key; - unsigned int nr_cpus = sysconf(_SC_NPROCESSORS_CONF); long values[nr_cpus]; char starstr[MAX_STARS]; long value; diff --git a/samples/bpf/tracex3_user.c b/samples/bpf/tracex3_user.c index 48716f7..d0851cb 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))) @@ -20,7 +22,7 @@ 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; @@ -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; diff --git a/samples/bpf/xdp1_user.c b/samples/bpf/xdp1_user.c index a5e109e..2b2150d 100644 --- a/samples/bpf/xdp1_user.c +++ b/samples/bpf/xdp1_user.c @@ -15,7 +15,9 @@ #include <string.h> #include <sys/socket.h> #include <unistd.h> + #include "bpf_load.h" +#include "bpf_util.h" #include "libbpf.h" static int set_link_xdp_fd(int ifindex, int fd) @@ -120,7 +122,7 @@ static void int_exit(int sig) */ static void poll_stats(int interval) { - unsigned int nr_cpus = sysconf(_SC_NPROCESSORS_CONF); + unsigned int nr_cpus = bpf_num_possible_cpus(); const unsigned int nr_keys = 256; __u64 values[nr_cpus], prev[nr_keys][nr_cpus]; __u32 key; |
