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authorLuke Shumaker <lukeshu@sbcglobal.net>2016-06-01 15:59:00 -0400
committerLuke Shumaker <lukeshu@sbcglobal.net>2016-06-01 15:59:00 -0400
commit7f44fd8adbebc3ec21f3871d9ee04f6056398759 (patch)
treed18e26311cb7dc85ae4ee9fd946f2367705f48db /src/systemd-bootchart/bootchart.h
parent210548eeed2cca68cf62707388b8bba2eda66afb (diff)
./move.sh
Diffstat (limited to 'src/systemd-bootchart/bootchart.h')
-rw-r--r--src/systemd-bootchart/bootchart.h119
1 files changed, 119 insertions, 0 deletions
diff --git a/src/systemd-bootchart/bootchart.h b/src/systemd-bootchart/bootchart.h
new file mode 100644
index 0000000000..1b445b954b
--- /dev/null
+++ b/src/systemd-bootchart/bootchart.h
@@ -0,0 +1,119 @@
+#pragma once
+
+/***
+ This file is part of systemd.
+
+ Copyright (C) 2009-2013 Intel Corporation
+
+ Authors:
+ Auke Kok <auke-jan.h.kok@intel.com>
+
+ systemd is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 2.1 of the License, or
+ (at your option) any later version.
+
+ systemd is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <stdbool.h>
+
+#include "list.h"
+
+#define MAXCPUS 16
+#define MAXPIDS 65535
+
+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;
+};
+
+/* per process, per sample data we will log */
+struct ps_sched_struct {
+ /* /proc/<n>/schedstat fields 1 & 2 */
+ double runtime;
+ double waittime;
+ int pss;
+ struct list_sample_data *sampledata;
+ struct ps_sched_struct *next;
+ struct ps_sched_struct *prev;
+ struct ps_sched_struct *cross; /* cross pointer */
+ struct ps_struct *ps_new;
+};
+
+struct list_sample_data {
+ double runtime[MAXCPUS];
+ double waittime[MAXCPUS];
+ double sampletime;
+ int entropy_avail;
+ struct block_stat_struct blockstat;
+ LIST_FIELDS(struct list_sample_data, link); /* DLL */
+ int counter;
+};
+
+/* 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[256];
+ int pid;
+ int ppid;
+ char *cgroup;
+
+ /* cache fd's */
+ int sched;
+ int schedstat;
+ FILE *smaps;
+
+ /* pointers to first/last seen timestamps */
+ struct ps_sched_struct *first;
+ struct ps_sched_struct *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 bool arg_relative;
+extern bool arg_filter;
+extern bool arg_show_cmdline;
+extern bool arg_show_cgroup;
+extern bool arg_pss;
+extern bool arg_entropy;
+extern bool arg_percpu;
+extern bool arg_initcall;
+extern int arg_samples_len;
+extern double arg_hz;
+extern double arg_scale_x;
+extern double arg_scale_y;
+
+extern char arg_output_path[PATH_MAX];
+extern char arg_init_path[PATH_MAX];