perf trace: Add pointer to BPF object containing __augmented_syscalls__ (c8c80570) · Commits · 戴 / test

So that we can use it when looking for other components of that object file, such as other programs to add to the BPF_MAP_TYPE_PROG_ARRAY and use with bpf_tail_call(). Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Luis Cláudio Gonçalves <lclaudio@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Link: https://lkml.kernel.org/n/tip-1ibmz7ouv6llqxajy7m8igtd@git.kernel.org Signed-off-by:

Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/builtin-trace.c

+15 −0

Original line number	Diff line number	Diff line
		@@ -96,6 +96,7 @@ struct trace {
		struct perf_evlist *evlist;
		struct machine *host;
		struct thread *current;
		struct bpf_object *bpf_obj;
		struct cgroup *cgroup;
		u64 base_time;
		FILE *output;
		@@ -3895,6 +3896,20 @@ int cmd_trace(int argc, const char **argv)

		if (evsel) {
		trace.syscalls.events.augmented = evsel;

		evsel = perf_evlist__find_tracepoint_by_name(trace.evlist, "raw_syscalls:sys_enter");
		if (evsel == NULL) {
		pr_err("ERROR: raw_syscalls:sys_enter not found in the augmented BPF object\n");
		goto out;
		}

		if (evsel->bpf_obj == NULL) {
		pr_err("ERROR: raw_syscalls:sys_enter not associated to a BPF object\n");
		goto out;
		}

		trace.bpf_obj = evsel->bpf_obj;

		trace__set_bpf_map_filtered_pids(&trace);
		trace__set_bpf_map_syscalls(&trace);
		}

Admin message