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Diffstat (limited to 'src/systemd-bootchart/bootchart.h')
-rw-r--r-- | src/systemd-bootchart/bootchart.h | 119 |
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]; |