xref: /freebsd/usr.sbin/pmcstat/pmcstat.h (revision d056fa046c6a91b90cd98165face0e42a33a5173)
1 /*-
2  * Copyright (c) 2005-2006, Joseph Koshy
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  *
26  * $FreeBSD$
27  */
28 
29 #ifndef	_PMCSTAT_H_
30 #define	_PMCSTAT_H_
31 
32 #define	FLAG_HAS_PID			0x00000001	/* explicit pid */
33 #define	FLAG_HAS_WAIT_INTERVAL		0x00000002	/* -w secs */
34 #define	FLAG_HAS_OUTPUT_LOGFILE		0x00000004	/* -O file or pipe */
35 #define	FLAG_HAS_COMMANDLINE		0x00000008	/* command */
36 #define	FLAG_HAS_SAMPLING_PMCS		0x00000010	/* -S or -P */
37 #define	FLAG_HAS_COUNTING_PMCS		0x00000020	/* -s or -p */
38 #define	FLAG_HAS_PROCESS_PMCS		0x00000040	/* -P or -p */
39 #define	FLAG_HAS_SYSTEM_PMCS		0x00000080	/* -S or -s */
40 #define	FLAG_HAS_PIPE			0x00000100	/* implicit log */
41 #define	FLAG_READ_LOGFILE		0x00000200	/* -R file */
42 #define	FLAG_DO_GPROF			0x00000400	/* -g */
43 #define	FLAG_HAS_SAMPLESDIR		0x00000800	/* -D dir */
44 #define	FLAG_HAS_KERNELPATH		0x00001000	/* -k kernel */
45 #define	FLAG_DO_PRINT			0x00002000	/* -o */
46 
47 #define	DEFAULT_SAMPLE_COUNT		65536
48 #define	DEFAULT_WAIT_INTERVAL		5.0
49 #define	DEFAULT_DISPLAY_HEIGHT		23
50 #define	DEFAULT_BUFFER_SIZE		4096
51 
52 #define	PRINT_HEADER_PREFIX		"# "
53 #define	READPIPEFD			0
54 #define	WRITEPIPEFD			1
55 #define	NPIPEFD				2
56 
57 #define	PMCSTAT_OPEN_FOR_READ		0
58 #define	PMCSTAT_OPEN_FOR_WRITE		1
59 #define	PMCSTAT_DEFAULT_NW_HOST		"localhost"
60 #define	PMCSTAT_DEFAULT_NW_PORT		"9000"
61 #define	PMCSTAT_NHASH			256
62 #define	PMCSTAT_HASH_MASK		0xFF
63 
64 #define	PMCSTAT_LDD_COMMAND		"/usr/bin/ldd"
65 
66 #define	PMCSTAT_PRINT_ENTRY(A,T,...) do {				\
67 		fprintf((A)->pa_printfile, "%-8s", T);			\
68 		fprintf((A)->pa_printfile, " "  __VA_ARGS__);		\
69 		fprintf((A)->pa_printfile, "\n");			\
70 	} while (0)
71 
72 enum pmcstat_state {
73 	PMCSTAT_FINISHED = 0,
74 	PMCSTAT_EXITING  = 1,
75 	PMCSTAT_RUNNING  = 2
76 };
77 
78 struct pmcstat_ev {
79 	STAILQ_ENTRY(pmcstat_ev) ev_next;
80 	char	       *ev_spec;  /* event specification */
81 	char	       *ev_name;  /* (derived) event name */
82 	enum pmc_mode	ev_mode;  /* desired mode */
83 	int		ev_count; /* associated count if in sampling mode */
84 	int		ev_cpu;	  /* specific cpu if requested */
85 	int		ev_flags; /* PMC_F_* */
86 	int		ev_cumulative;  /* show cumulative counts */
87 	int		ev_fieldwidth;  /* print width */
88 	int		ev_fieldskip;   /* #leading spaces */
89 	pmc_value_t	ev_saved; /* saved value for incremental counts */
90 	pmc_id_t	ev_pmcid; /* allocated ID */
91 };
92 
93 struct pmcstat_args {
94 	int	pa_flags;		/* argument flags */
95 	int	pa_required;		/* required features */
96 	int	pa_verbosity;		/* verbosity level */
97 	pid_t	pa_pid;			/* attached to pid */
98 	FILE	*pa_printfile;		/* where to send printed output */
99 	int	pa_logfd;		/* output log file */
100 	char	*pa_inputpath;		/* path to input log */
101 	char	*pa_outputpath;		/* path to output log */
102 	void	*pa_logparser;		/* log file parser */
103 	const char	*pa_fsroot;	/* FS root where executables reside */
104 	char	*pa_kernel;		/* pathname of the kernel */
105 	const char	*pa_samplesdir;	/* directory for profile files */
106 	const char	*pa_mapfilename;/* mapfile name */
107 	double	pa_interval;		/* printing interval in seconds */
108 	int	pa_argc;
109 	char	**pa_argv;
110 	STAILQ_HEAD(, pmcstat_ev) pa_head;
111 } args;
112 
113 /* Function prototypes */
114 void	pmcstat_cleanup(struct pmcstat_args *_a);
115 int	pmcstat_close_log(struct pmcstat_args *_a);
116 void	pmcstat_initialize_logging(struct pmcstat_args *_a);
117 int	pmcstat_open_log(const char *_p, int _mode);
118 void	pmcstat_print_counters(struct pmcstat_args *_a);
119 void	pmcstat_print_headers(struct pmcstat_args *_a);
120 void	pmcstat_print_pmcs(struct pmcstat_args *_a);
121 void	pmcstat_setup_process(struct pmcstat_args *_a);
122 void	pmcstat_show_usage(void);
123 void	pmcstat_shutdown_logging(struct pmcstat_args *_a);
124 void	pmcstat_start_pmcs(struct pmcstat_args *_a);
125 void	pmcstat_start_process(struct pmcstat_args *_a);
126 int	pmcstat_process_log(struct pmcstat_args *_a);
127 
128 #endif	/* _PMCSTAT_H_ */
129