pmcstat.h revision 210797
1/*-
2 * Copyright (c) 2005-2007, Joseph Koshy
3 * Copyright (c) 2007 The FreeBSD Foundation
4 * All rights reserved.
5 *
6 * Portions of this software were developed by A. Joseph Koshy under
7 * sponsorship from the FreeBSD Foundation and Google, Inc.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 *
30 * $FreeBSD: head/usr.sbin/pmcstat/pmcstat.h 210797 2010-08-03 13:46:25Z fabient $
31 */
32
33#ifndef	_PMCSTAT_H_
34#define	_PMCSTAT_H_
35
36#define	FLAG_HAS_TARGET			0x00000001	/* process target */
37#define	FLAG_HAS_WAIT_INTERVAL		0x00000002	/* -w secs */
38#define	FLAG_HAS_OUTPUT_LOGFILE		0x00000004	/* -O file or pipe */
39#define	FLAG_HAS_COMMANDLINE		0x00000008	/* command */
40#define	FLAG_HAS_SAMPLING_PMCS		0x00000010	/* -S or -P */
41#define	FLAG_HAS_COUNTING_PMCS		0x00000020	/* -s or -p */
42#define	FLAG_HAS_PROCESS_PMCS		0x00000040	/* -P or -p */
43#define	FLAG_HAS_SYSTEM_PMCS		0x00000080	/* -S or -s */
44#define	FLAG_HAS_PIPE			0x00000100	/* implicit log */
45#define	FLAG_READ_LOGFILE		0x00000200	/* -R file */
46#define	FLAG_DO_GPROF			0x00000400	/* -g */
47#define	FLAG_HAS_SAMPLESDIR		0x00000800	/* -D dir */
48#define	FLAG_HAS_KERNELPATH		0x00001000	/* -k kernel */
49#define	FLAG_DO_PRINT			0x00002000	/* -o */
50#define	FLAG_DO_CALLGRAPHS		0x00004000	/* -G or -F */
51#define	FLAG_DO_ANNOTATE		0x00008000	/* -m */
52#define	FLAG_DO_TOP			0x00010000	/* -T */
53#define	FLAG_DO_ANALYSIS		0x00020000	/* -g or -G or -m or -T */
54#define	FLAGS_HAS_CPUMASK		0x00040000	/* -c */
55
56#define	DEFAULT_SAMPLE_COUNT		65536
57#define	DEFAULT_WAIT_INTERVAL		5.0
58#define	DEFAULT_DISPLAY_HEIGHT		256		/* file virtual height */
59#define	DEFAULT_DISPLAY_WIDTH		1024		/* file virtual width */
60#define	DEFAULT_BUFFER_SIZE		4096
61#define	DEFAULT_CALLGRAPH_DEPTH		4
62
63#define	PRINT_HEADER_PREFIX		"# "
64#define	READPIPEFD			0
65#define	WRITEPIPEFD			1
66#define	NPIPEFD				2
67
68#define	NSOCKPAIRFD			2
69#define	PARENTSOCKET			0
70#define	CHILDSOCKET			1
71
72#define	PMCSTAT_OPEN_FOR_READ		0
73#define	PMCSTAT_OPEN_FOR_WRITE		1
74#define	PMCSTAT_DEFAULT_NW_HOST		"localhost"
75#define	PMCSTAT_DEFAULT_NW_PORT		"9000"
76#define	PMCSTAT_NHASH			256
77#define	PMCSTAT_HASH_MASK		0xFF
78
79#define	PMCSTAT_LDD_COMMAND		"/usr/bin/ldd"
80
81#define	PMCSTAT_PRINT_ENTRY(T,...) do {					\
82		(void) fprintf(args.pa_printfile, "%-9s", T);		\
83		(void) fprintf(args.pa_printfile, " "  __VA_ARGS__);	\
84		(void) fprintf(args.pa_printfile, "\n");		\
85	} while (0)
86
87#define PMCSTAT_PL_NONE		0
88#define PMCSTAT_PL_CALLGRAPH	1
89#define PMCSTAT_PL_GPROF	2
90#define PMCSTAT_PL_ANNOTATE	3
91#define PMCSTAT_PL_CALLTREE	4
92
93#define PMCSTAT_TOP_DELTA 	0
94#define PMCSTAT_TOP_ACCUM	1
95
96#define	min(A,B)		((A) < (B) ? (A) : (B))
97#define	max(A,B)		((A) > (B) ? (A) : (B))
98
99enum pmcstat_state {
100	PMCSTAT_FINISHED = 0,
101	PMCSTAT_EXITING  = 1,
102	PMCSTAT_RUNNING  = 2
103};
104
105struct pmcstat_ev {
106	STAILQ_ENTRY(pmcstat_ev) ev_next;
107	int		ev_count; /* associated count if in sampling mode */
108	uint32_t	ev_cpu;	  /* cpus for this event */
109	int		ev_cumulative;  /* show cumulative counts */
110	int		ev_flags; /* PMC_F_* */
111	int		ev_fieldskip;   /* #leading spaces */
112	int		ev_fieldwidth;  /* print width */
113	enum pmc_mode	ev_mode;  /* desired mode */
114	char	       *ev_name;  /* (derived) event name */
115	pmc_id_t	ev_pmcid; /* allocated ID */
116	pmc_value_t	ev_saved; /* for incremental counts */
117	char	       *ev_spec;  /* event specification */
118};
119
120struct pmcstat_target {
121	SLIST_ENTRY(pmcstat_target) pt_next;
122	pid_t		pt_pid;
123};
124
125struct pmcstat_args {
126	int	pa_flags;		/* argument flags */
127	int	pa_required;		/* required features */
128	int	pa_pplugin;		/* pre-processing plugin */
129	int	pa_plugin;		/* analysis plugin */
130	int	pa_verbosity;		/* verbosity level */
131	FILE	*pa_printfile;		/* where to send printed output */
132	int	pa_logfd;		/* output log file */
133	char	*pa_inputpath;		/* path to input log */
134	char	*pa_outputpath;		/* path to output log */
135	void	*pa_logparser;		/* log file parser */
136	const char	*pa_fsroot;	/* FS root where executables reside */
137	char	*pa_kernel;		/* pathname of the kernel */
138	const char	*pa_samplesdir;	/* directory for profile files */
139	const char	*pa_mapfilename;/* mapfile name */
140	FILE	*pa_graphfile;		/* where to send the callgraph */
141	int	pa_graphdepth;		/* print depth for callgraphs */
142	double	pa_interval;		/* printing interval in seconds */
143	uint32_t pa_cpumask;		/* filter for CPUs analysed */
144	int	pa_ctdumpinstr;		/* dump instructions with calltree */
145	int	pa_topmode;		/* delta or accumulative */
146	int	pa_toptty;		/* output to tty or file */
147	int	pa_topcolor;		/* terminal support color */
148	int	pa_mergepmc;		/* merge PMC with same name */
149	int	pa_argc;
150	char	**pa_argv;
151	STAILQ_HEAD(, pmcstat_ev) pa_events;
152	SLIST_HEAD(, pmcstat_target) pa_targets;
153};
154
155extern int pmcstat_displayheight;	/* current terminal height */
156extern int pmcstat_displaywidth;	/* current terminal width */
157extern struct pmcstat_args args;	/* command line args */
158
159/* Function prototypes */
160void	pmcstat_attach_pmcs(void);
161void	pmcstat_cleanup(void);
162void	pmcstat_clone_event_descriptor(
163    struct pmcstat_ev *_ev, uint32_t _cpumask);
164int	pmcstat_close_log(void);
165void	pmcstat_create_process(void);
166void	pmcstat_find_targets(const char *_arg);
167void	pmcstat_initialize_logging(void);
168void	pmcstat_kill_process(void);
169int	pmcstat_open_log(const char *_p, int _mode);
170void	pmcstat_print_counters(void);
171void	pmcstat_print_headers(void);
172void	pmcstat_print_pmcs(void);
173void	pmcstat_show_usage(void);
174void	pmcstat_shutdown_logging(void);
175void	pmcstat_start_pmcs(void);
176void	pmcstat_start_process(void);
177int	pmcstat_process_log(void);
178int	pmcstat_keypress_log(void);
179void	pmcstat_display_log(void);
180void	pmcstat_pluginconfigure_log(char *_opt);
181uint32_t pmcstat_get_cpumask(const char *_a);
182void    pmcstat_topexit(void);
183
184#endif	/* _PMCSTAT_H_ */
185