diff options
Diffstat (limited to 'samples/bpf/tracex2_user.c')
| -rw-r--r-- | samples/bpf/tracex2_user.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/samples/bpf/tracex2_user.c b/samples/bpf/tracex2_user.c index ab5b19e68acf..3e225e331f66 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; |