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/*-
* Copyright (c) 2005-2007, Joseph Koshy
* Copyright (c) 2007 The FreeBSD Foundation
* All rights reserved.
*
* Portions of this software were developed by A. Joseph Koshy under
* sponsorship from the FreeBSD Foundation and Google, Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _PMCSTAT_H_
#define _PMCSTAT_H_
#define FLAG_HAS_TARGET 0x00000001 /* process target */
#define FLAG_HAS_WAIT_INTERVAL 0x00000002 /* -w secs */
#define FLAG_HAS_OUTPUT_LOGFILE 0x00000004 /* -O file or pipe */
#define FLAG_HAS_COMMANDLINE 0x00000008 /* command */
#define FLAG_HAS_SAMPLING_PMCS 0x00000010 /* -S or -P */
#define FLAG_HAS_COUNTING_PMCS 0x00000020 /* -s or -p */
#define FLAG_HAS_PROCESS_PMCS 0x00000040 /* -P or -p */
#define FLAG_HAS_SYSTEM_PMCS 0x00000080 /* -S or -s */
#define FLAG_HAS_PIPE 0x00000100 /* implicit log */
#define FLAG_READ_LOGFILE 0x00000200 /* -R file */
#define FLAG_DO_GPROF 0x00000400 /* -g */
#define FLAG_HAS_SAMPLESDIR 0x00000800 /* -D dir */
#define FLAG_HAS_KERNELPATH 0x00001000 /* -k kernel */
#define FLAG_DO_PRINT 0x00002000 /* -o */
#define FLAG_DO_CALLGRAPHS 0x00004000 /* -G */
#define FLAG_DO_ANALYSIS 0x00008000 /* -g or -G */
#define DEFAULT_SAMPLE_COUNT 65536
#define DEFAULT_WAIT_INTERVAL 5.0
#define DEFAULT_DISPLAY_HEIGHT 23
#define DEFAULT_BUFFER_SIZE 4096
#define DEFAULT_CALLGRAPH_DEPTH 4
#define PRINT_HEADER_PREFIX "# "
#define READPIPEFD 0
#define WRITEPIPEFD 1
#define NPIPEFD 2
#define NSOCKPAIRFD 2
#define PARENTSOCKET 0
#define CHILDSOCKET 1
#define PMCSTAT_OPEN_FOR_READ 0
#define PMCSTAT_OPEN_FOR_WRITE 1
#define PMCSTAT_DEFAULT_NW_HOST "localhost"
#define PMCSTAT_DEFAULT_NW_PORT "9000"
#define PMCSTAT_NHASH 256
#define PMCSTAT_HASH_MASK 0xFF
#define PMCSTAT_LDD_COMMAND "/usr/bin/ldd"
#define PMCSTAT_PRINT_ENTRY(A,T,...) do { \
(void) fprintf((A)->pa_printfile, "%-9s", T); \
(void) fprintf((A)->pa_printfile, " " __VA_ARGS__); \
(void) fprintf((A)->pa_printfile, "\n"); \
} while (0)
enum pmcstat_state {
PMCSTAT_FINISHED = 0,
PMCSTAT_EXITING = 1,
PMCSTAT_RUNNING = 2
};
struct pmcstat_ev {
STAILQ_ENTRY(pmcstat_ev) ev_next;
int ev_count; /* associated count if in sampling mode */
uint32_t ev_cpu; /* cpus for this event */
int ev_cumulative; /* show cumulative counts */
int ev_flags; /* PMC_F_* */
int ev_fieldskip; /* #leading spaces */
int ev_fieldwidth; /* print width */
enum pmc_mode ev_mode; /* desired mode */
char *ev_name; /* (derived) event name */
pmc_id_t ev_pmcid; /* allocated ID */
pmc_value_t ev_saved; /* for incremental counts */
char *ev_spec; /* event specification */
};
struct pmcstat_target {
SLIST_ENTRY(pmcstat_target) pt_next;
pid_t pt_pid;
};
struct pmcstat_args {
int pa_flags; /* argument flags */
int pa_required; /* required features */
int pa_verbosity; /* verbosity level */
FILE *pa_printfile; /* where to send printed output */
int pa_logfd; /* output log file */
char *pa_inputpath; /* path to input log */
char *pa_outputpath; /* path to output log */
void *pa_logparser; /* log file parser */
const char *pa_fsroot; /* FS root where executables reside */
char *pa_kernel; /* pathname of the kernel */
const char *pa_samplesdir; /* directory for profile files */
const char *pa_mapfilename;/* mapfile name */
FILE *pa_graphfile; /* where to send the callgraph */
int pa_graphdepth; /* print depth for callgraphs */
double pa_interval; /* printing interval in seconds */
uint32_t pa_cpumask; /* filter for CPUs analysed */
int pa_argc;
char **pa_argv;
STAILQ_HEAD(, pmcstat_ev) pa_events;
SLIST_HEAD(, pmcstat_target) pa_targets;
} args;
/* Function prototypes */
void pmcstat_attach_pmcs(struct pmcstat_args *_a);
void pmcstat_cleanup(struct pmcstat_args *_a);
void pmcstat_clone_event_descriptor(struct pmcstat_args *_a,
struct pmcstat_ev *_ev, uint32_t _cpumask);
int pmcstat_close_log(struct pmcstat_args *_a);
void pmcstat_create_process(struct pmcstat_args *_a);
void pmcstat_find_targets(struct pmcstat_args *_a, const char *_arg);
void pmcstat_initialize_logging(struct pmcstat_args *_a);
void pmcstat_kill_process(struct pmcstat_args *_a);
int pmcstat_open_log(const char *_p, int _mode);
void pmcstat_print_counters(struct pmcstat_args *_a);
void pmcstat_print_headers(struct pmcstat_args *_a);
void pmcstat_print_pmcs(struct pmcstat_args *_a);
void pmcstat_show_usage(void);
void pmcstat_shutdown_logging(struct pmcstat_args *_a);
void pmcstat_start_pmcs(struct pmcstat_args *_a);
void pmcstat_start_process(void);
int pmcstat_process_log(struct pmcstat_args *_a);
uint32_t pmcstat_get_cpumask(const char *_a);
#endif /* _PMCSTAT_H_ */
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