summaryrefslogtreecommitdiff
path: root/bootchart.h
diff options
context:
space:
mode:
Diffstat (limited to 'bootchart.h')
-rw-r--r--bootchart.h119
1 files changed, 119 insertions, 0 deletions
diff --git a/bootchart.h b/bootchart.h
new file mode 100644
index 0000000..6d07a52
--- /dev/null
+++ b/bootchart.h
@@ -0,0 +1,119 @@
+/*
+ * bootchart.h
+ *
+ * Copyright (c) 2009 Intel Coproration
+ * Authors:
+ * Auke Kok <auke-jan.h.kok@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; version 2
+ * of the License.
+ */
+
+#include <dirent.h>
+
+#include "config.h"
+
+#define MAXCPUS 16
+#define MAXPIDS 65535
+#define MAXSAMPLES 8192
+
+
+struct block_stat_struct {
+ /* /proc/vmstat pgpgin & pgpgout */
+ int bi;
+ int bo;
+};
+
+struct cpu_stat_sample_struct {
+ /* /proc/schedstat fields 10 & 11 (after name) */
+ double runtime;
+ double waittime;
+};
+
+struct cpu_stat_struct {
+ /* per cpu array */
+ struct cpu_stat_sample_struct sample[MAXSAMPLES];
+};
+
+/* per process, per sample data we will log */
+struct ps_sched_struct {
+ /* /proc/<n>/schedstat fields 1 & 2 */
+ double runtime;
+ double waittime;
+ int pss;
+};
+
+/* process info */
+struct ps_struct {
+ struct ps_struct *next_ps; /* SLL pointer */
+ struct ps_struct *parent; /* ppid ref */
+ struct ps_struct *children; /* children */
+ struct ps_struct *next; /* siblings */
+
+ /* must match - otherwise it's a new process with same PID */
+ char name[16];
+ int pid;
+ int ppid;
+
+ /* cache fd's */
+ int sched;
+ int schedstat;
+ FILE *smaps;
+
+ /* index to first/last seen timestamps */
+ int first;
+ int last;
+
+ /* records actual start time, may be way before bootchart runs */
+ double starttime;
+
+ /* record human readable total cpu time */
+ double total;
+
+ /* largest PSS size found */
+ int pss_max;
+
+ /* for drawing connection lines later */
+ double pos_x;
+ double pos_y;
+
+ struct ps_sched_struct *sample;
+};
+
+extern int entropy_avail[];
+
+extern double graph_start;
+extern double log_start;
+extern double sampletime[];
+extern struct ps_struct *ps_first;
+extern struct block_stat_struct blockstat[];
+extern struct cpu_stat_struct cpustat[];
+extern int pscount;
+extern int relative;
+extern int filter;
+extern int pss;
+extern int entropy;
+extern int initcall;
+extern int samples;
+extern int cpus;
+extern int len;
+extern double hz;
+extern double scale_x;
+extern double scale_y;
+extern int overrun;
+extern double interval;
+
+extern char output_path[PATH_MAX];
+extern char init_path[PATH_MAX];
+
+extern FILE *of;
+extern DIR *proc;
+
+extern double gettime_ns(void);
+extern void log_uptime(void);
+extern void log_sample(int sample);
+
+extern void svg_do(void);
+