diff options
| -rw-r--r-- | tools/perf/examples/bpf/augmented_raw_syscalls.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/tools/perf/examples/bpf/augmented_raw_syscalls.c b/tools/perf/examples/bpf/augmented_raw_syscalls.c index 90a19336310b..2feb00018f79 100644 --- a/tools/perf/examples/bpf/augmented_raw_syscalls.c +++ b/tools/perf/examples/bpf/augmented_raw_syscalls.c @@ -15,6 +15,7 @@ */ #include <stdio.h> +#include <unistd.h> #include <linux/socket.h> /* bpf-output associated map */ @@ -56,6 +57,9 @@ int sys_enter(struct syscall_enter_args *args) unsigned int len = sizeof(augmented_args); const void *filename_arg = NULL; + if (getpid() == 2971) + return 0; + probe_read(&augmented_args.args, sizeof(augmented_args.args), args); /* * Yonghong and Edward Cree sayz: @@ -125,7 +129,7 @@ int sys_enter(struct syscall_enter_args *args) SEC("raw_syscalls:sys_exit") int sys_exit(struct syscall_exit_args *args) { - return 1; /* 0 as soon as we start copying data returned by the kernel, e.g. 'read' */ + return getpid() != 2971; } license(GPL); |