diff options
Diffstat (limited to 'tools/perf/builtin-trace.c')
| -rw-r--r-- | tools/perf/builtin-trace.c | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index d0eb7224dd36..4f0bbffee05f 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -19,6 +19,7 @@ #include <api/fs/tracing_path.h> #include <bpf/bpf.h> #include "util/bpf_map.h" +#include "util/rlimit.h" #include "builtin.h" #include "util/cgroup.h" #include "util/color.h" @@ -61,6 +62,7 @@ #include <linux/random.h> #include <linux/stringify.h> #include <linux/time64.h> +#include <linux/zalloc.h> #include <fcntl.h> #include <sys/sysmacros.h> @@ -1038,10 +1040,10 @@ static struct thread_trace *thread_trace__new(void) { struct thread_trace *ttrace = zalloc(sizeof(struct thread_trace)); - if (ttrace) + if (ttrace) { ttrace->files.max = -1; - - ttrace->syscall_stats = intlist__new(NULL); + ttrace->syscall_stats = intlist__new(NULL); + } return ttrace; } @@ -3863,6 +3865,15 @@ int cmd_trace(int argc, const char **argv) goto out; } + /* + * Parsing .perfconfig may entail creating a BPF event, that may need + * to create BPF maps, so bump RLIM_MEMLOCK as the default 64K setting + * is too small. This affects just this process, not touching the + * global setting. If it fails we'll get something in 'perf trace -v' + * to help diagnose the problem. + */ + rlimit__bump_memlock(); + err = perf_config(trace__config, &trace); if (err) goto out; |