Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

* 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (184 commits)
  perf probe: Clean up probe_point_lazy_walker() return value
  tracing: Fix irqoff selftest expanding max buffer
  tracing: Align 4 byte ints together in struct tracer
  tracing: Export trace_set_clr_event()
  tracing: Explain about unstable clock on resume with ring buffer warning
  ftrace/graph: Trace function entry before updating index
  ftrace: Add .ref.text as one of the safe areas to trace
  tracing: Adjust conditional expression latency formatting.
  tracing: Fix event alignment: skb:kfree_skb
  tracing: Fix event alignment: mce:mce_record
  tracing: Fix event alignment: kvm:kvm_hv_hypercall
  tracing: Fix event alignment: module:module_request
  tracing: Fix event alignment: ftrace:context_switch and ftrace:wakeup
  tracing: Remove lock_depth from event entry
  perf header: Stop using 'self'
  perf session: Use evlist/evsel for managing perf.data attributes
  perf top: Don't let events to eat up whole header line
  perf top: Fix events overflow in top command
  ring-buffer: Remove unused #include <linux/trace_irq.h>
  tracing: Add an 'overwrite' trace_option.
  ...

1 files changed, 41 insertions, 2 deletions

diff --git a/tools/perf/builtin-list.c b/tools/perf/builtin-list.c
index d88c6961274c..6313b6eb3ebb 100644
--- a/tools/perf/builtin-list.c
+++ b/tools/perf/builtin-list.c
@@ -5,6 +5,7 @@
  *
  * Copyright (C) 2009, Thomas Gleixner <tglx@linutronix.de>
  * Copyright (C) 2008-2009, Red Hat Inc, Ingo Molnar <mingo@redhat.com>
+ * Copyright (C) 2011, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
  */
 #include "builtin.h"
 
@@ -13,9 +14,47 @@
 #include "util/parse-events.h"
 #include "util/cache.h"
 
-int cmd_list(int argc __used, const char **argv __used, const char *prefix __used)
+int cmd_list(int argc, const char **argv, const char *prefix __used)
 {
 	setup_pager();
-	print_events();
+
+	if (argc == 1)
+		print_events(NULL);
+	else {
+		int i;
+
+		for (i = 1; i < argc; ++i) {
+			if (i > 1)
+				putchar('\n');
+			if (strncmp(argv[i], "tracepoint", 10) == 0)
+				print_tracepoint_events(NULL, NULL);
+			else if (strcmp(argv[i], "hw") == 0 ||
+				 strcmp(argv[i], "hardware") == 0)
+				print_events_type(PERF_TYPE_HARDWARE);
+			else if (strcmp(argv[i], "sw") == 0 ||
+				 strcmp(argv[i], "software") == 0)
+				print_events_type(PERF_TYPE_SOFTWARE);
+			else if (strcmp(argv[i], "cache") == 0 ||
+				 strcmp(argv[i], "hwcache") == 0)
+				print_hwcache_events(NULL);
+			else {
+				char *sep = strchr(argv[i], ':'), *s;
+				int sep_idx;
+
+				if (sep == NULL) {
+					print_events(argv[i]);
+					continue;
+				}
+				sep_idx = sep - argv[i];
+				s = strdup(argv[i]);
+				if (s == NULL)
+					return -1;
+
+				s[sep_idx] = '\0';
+				print_tracepoint_events(s, s + sep_idx + 1);
+				free(s);
+			}
+		}
+	}
 	return 0;
 }