diff options
Diffstat (limited to 'tools/tracing/rtla/src/timerlat_u.c')
| -rw-r--r-- | tools/tracing/rtla/src/timerlat_u.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/tools/tracing/rtla/src/timerlat_u.c b/tools/tracing/rtla/src/timerlat_u.c index ce68e39d25fd..c80edaf07b00 100644 --- a/tools/tracing/rtla/src/timerlat_u.c +++ b/tools/tracing/rtla/src/timerlat_u.c @@ -16,7 +16,7 @@ #include <sys/wait.h> #include <sys/prctl.h> -#include "utils.h" +#include "common.h" #include "timerlat_u.h" /* @@ -32,7 +32,7 @@ static int timerlat_u_main(int cpu, struct timerlat_u_params *params) { struct sched_param sp = { .sched_priority = 95 }; - char buffer[1024]; + char buffer[MAX_PATH]; int timerlat_fd; cpu_set_t set; int retval; @@ -83,7 +83,7 @@ static int timerlat_u_main(int cpu, struct timerlat_u_params *params) /* add should continue with a signal handler */ while (true) { - retval = read(timerlat_fd, buffer, 1024); + retval = read(timerlat_fd, buffer, ARRAY_SIZE(buffer)); if (retval < 0) break; } @@ -99,7 +99,7 @@ static int timerlat_u_main(int cpu, struct timerlat_u_params *params) * * Return the number of processes that received the kill. */ -static int timerlat_u_send_kill(pid_t *procs, int nr_cpus) +static int timerlat_u_send_kill(pid_t *procs) { int killed = 0; int i, retval; @@ -131,7 +131,6 @@ static int timerlat_u_send_kill(pid_t *procs, int nr_cpus) */ void *timerlat_u_dispatcher(void *data) { - int nr_cpus = sysconf(_SC_NPROCESSORS_CONF); struct timerlat_u_params *params = data; char proc_name[128]; int procs_count = 0; @@ -170,7 +169,7 @@ void *timerlat_u_dispatcher(void *data) /* parent */ if (pid == -1) { - timerlat_u_send_kill(procs, nr_cpus); + timerlat_u_send_kill(procs); debug_msg("Failed to create child processes"); pthread_exit(&retval); } @@ -197,7 +196,7 @@ void *timerlat_u_dispatcher(void *data) sleep(1); } - timerlat_u_send_kill(procs, nr_cpus); + timerlat_u_send_kill(procs); while (procs_count) { pid = waitpid(-1, &wstatus, 0); |