From b06db0322429df80ee0fe09d257520f0c5b71901 Mon Sep 17 00:00:00 2001
From: Bjoern Brandenburg <bbb@mpi-sws.org>
Date: Wed, 23 Mar 2016 23:22:01 +0100
Subject: Port st-dump and st-job-stats

Include st-dump (formerly 'st_show') and st-job-stats (formerly
'st_job_stats') from https://github.com/brandenburg/sched-trace-tools
in this repository.
---
 src/stdump.c | 98 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 98 insertions(+)
 create mode 100644 src/stdump.c

(limited to 'src/stdump.c')

diff --git a/src/stdump.c b/src/stdump.c
new file mode 100644
index 0000000..c67b2ad
--- /dev/null
+++ b/src/stdump.c
@@ -0,0 +1,98 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#include "load.h"
+#include "sched_trace.h"
+#include "eheap.h"
+
+static void usage(const char *str)
+{
+	fprintf(stderr,
+		"\n  USAGE\n"
+		"\n"
+		"    stdump [opts] <file.st>+\n"
+		"\n"
+		"  OPTIONS\n"
+		"     -r         -- find task system release and exit\n"
+		"     -f         -- use first non-zero event as system release\n"
+		"                   if no system release event is found\n"
+		"     -c         -- display a count of the number of events\n"
+		"\n\n"
+		);
+	if (str) {
+		fprintf(stderr, "Aborted: %s\n", str);
+		exit(1);
+	} else {
+		exit(0);
+	}
+}
+
+#define OPTSTR "rcfh"
+
+int main(int argc, char** argv)
+{
+	unsigned int count;
+	struct heap *h;
+	struct heap_node *hn, *first = NULL;
+	u64 time;
+	struct st_event_record *rec;
+	int find_release = 0;
+	int show_count = 0;
+	int use_first_nonzero = 0;
+	int opt;
+
+	while ((opt = getopt(argc, argv, OPTSTR)) != -1) {
+		switch (opt) {
+		case 'r':
+			find_release = 1;
+			break;
+		case 'c':
+			show_count = 1;
+			break;
+		case 'f':
+			use_first_nonzero = 1;
+			break;
+		case 'h':
+			usage(NULL);
+			break;
+		case ':':
+			usage("Argument missing.");
+			break;
+		case '?':
+		default:
+			usage("Bad argument.");
+			break;
+		}
+	}
+
+
+	h = load(argv + optind, argc - optind, &count);
+	if (!h)
+		return 1;
+	if (show_count)
+		printf("Loaded %u events.\n", count);
+	while ((hn = heap_take(earlier_event, h))) {
+		time =  event_time(heap_node_value(hn));
+		if (time != 0 && !first)
+			first = hn;
+		time /= 1000000; /* convert to milliseconds */
+		if (!find_release) {
+			printf("[%10llu] ", (unsigned long long) time);
+			print_event(heap_node_value(hn));
+		} else {
+			rec = heap_node_value(hn);
+			if (rec->hdr.type == ST_SYS_RELEASE) {
+				printf("%6.2fms\n", rec->data.raw[1] / 1000000.0);
+				find_release = 0;
+				break;
+			}
+		}
+	}
+	if (find_release && use_first_nonzero && first) {
+		rec = heap_node_value(first);
+		printf("%6.2fms\n", event_time(rec) / 1000000.0);
+	}
+
+	return 0;
+}
-- 
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