perf tools: Move clockid_res_ns under clock struct

Move the clockid_res_ns struct member to the clock struct, so we have
the clock related stuff in one place.

Signed-off-by: Jiri Olsa <[e-mail]>
Cc: Alexander Shishkin <[e-mail]>
Cc: Andi Kleen <[e-mail]>
Cc: David Ahern <[e-mail]>
Cc: Geneviève Bastien <[e-mail]>
Cc: Ian Rogers <[e-mail]>
Cc: Jeremie Galarneau <[e-mail]>
Cc: Michael Petlan <[e-mail]>
Cc: Namhyung Kim <[e-mail]>
Cc: Peter Zijlstra <[e-mail]>
Cc: Wang Nan <[e-mail]>
Link: http://lore.kernel.org/lkml/[e-mail]
Signed-off-by: Arnaldo Carvalho de Melo <[e-mail]>

tools/perf/builtin-record.c

···
 	if (!rec->opts.use_clockid)
 		return 0;
 
+	if (rec->opts.use_clockid && rec->opts.clockid_res_ns)
+		session->header.env.clock.clockid_res_ns = rec->opts.clockid_res_ns;
+
 	session->header.env.clock.clockid = rec->opts.clockid;
 
 	if (gettimeofday(&ref_tod, NULL) != 0) {
···
 		return -1;
 
 	record__init_features(rec);
-
-	if (rec->opts.use_clockid && rec->opts.clockid_res_ns)
-		session->header.env.clockid_res_ns = rec->opts.clockid_res_ns;
 
 	if (forks) {
 		err = perf_evlist__prepare_workload(rec->evlist, &opts->target,

tools/perf/util/env.h

···
 	struct numa_node	*numa_nodes;
 	struct memory_node	*memory_nodes;
 	unsigned long long	 memory_bsize;
-	u64                     clockid_res_ns;
 
 	/*
 	 * bpf_info_lock protects bpf rbtrees. This is needed because the
···
 	struct {
 		u64	tod_ns;
 		u64	clockid_ns;
+		u64     clockid_res_ns;
 		int	clockid;
 		/*
 		 * enabled is valid for report mode, and is true if above

tools/perf/util/header.c

···
 static int write_clockid(struct feat_fd *ff,
 			 struct evlist *evlist __maybe_unused)
 {
-	return do_write(ff, &ff->ph->env.clockid_res_ns,
-			sizeof(ff->ph->env.clockid_res_ns));
+	return do_write(ff, &ff->ph->env.clock.clockid_res_ns,
+			sizeof(ff->ph->env.clock.clockid_res_ns));
 }
 
 static int write_clock_data(struct feat_fd *ff,
···
 static void print_clockid(struct feat_fd *ff, FILE *fp)
 {
 	fprintf(fp, "# clockid frequency: %"PRIu64" MHz\n",
-		ff->ph->env.clockid_res_ns * 1000);
+		ff->ph->env.clock.clockid_res_ns * 1000);
 }
 
 static void print_clock_data(struct feat_fd *ff, FILE *fp)
···
 static int process_clockid(struct feat_fd *ff,
 			   void *data __maybe_unused)
 {
-	if (do_read_u64(ff, &ff->ph->env.clockid_res_ns))
+	if (do_read_u64(ff, &ff->ph->env.clock.clockid_res_ns))
 		return -1;
 
 	return 0;