/usr/include/pcp/trace.h is in libpcp-trace2-dev 3.10.8build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 | /*
* Copyright (c) 1997 Silicon Graphics, Inc. All Rights Reserved.
*
* This library 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.
*
* This library 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.
*/
#ifndef PCP_TRACE_H
#define PCP_TRACE_H
/*
* Transaction monitoring PMDA (trace) public interface.
*
* An example program using this interface can be found at
* $PCP_DEMOS_DIR/trace/demo.c and contains further doumentation.
* Also refer to the pmdatrace(1) and pmdatrace(3) man pages and
* the Performance Co-Pilot Programmer's Guide.
*/
#ifdef __cplusplus
extern "C" {
#endif
/*
* Add a new entry to the table of transactions currently being monitored,
* or update an existing entry.
*/
extern int pmtracebegin(const char *);
/*
* Make measurements recorded for the given transaction tag available
* through the trace PMDA.
*/
extern int pmtraceend(const char *);
/*
* Cancel a transaction which began from an earlier call to pmtracebegin,
* without exporting new data through the trace PMDA.
*/
extern int pmtraceabort(const char *);
/*
* An alternate form of measurement can be obtained using pmtracepoint.
* This is a count-only measurement, and will result in the trace PMDA
* exporting the number of times a given code point is passed (ie. the
* the number of times a particular label has been passed to pmtracepoint.
*/
extern int pmtracepoint(const char *);
/*
* An extension to pmtracepoint is pmtraceobs, with similar semantics to
* pmtracepoint except allowing an arbitrary numeric value (double) to be
* exported up through the PMAPI.
*/
extern int pmtraceobs(const char *, double);
/*
* Similar to pmtraceobs is pmtracecounter, with the only difference
* being the way the trace PMDA exports the given numeric value to
* PMAPI clients (exported with counter semantics, rather than with
* instantaneous semantics which is the case with pmtraceobs).
*/
extern int pmtracecounter(const char *, double);
/*
* Should any of these routines return a negative value, the return value
* can be passed to pmtraceerrstr for the associated error message.
* This performs a lookup into a static error message table, so the returned
* pointer must not be freed.
*/
extern char *pmtraceerrstr(int);
#define PMTRACE_ERR_BASE 12000
#define PMTRACE_ERR_TAGNAME (-PMTRACE_ERR_BASE-0)
#define PMTRACE_ERR_INPROGRESS (-PMTRACE_ERR_BASE-1)
#define PMTRACE_ERR_NOPROGRESS (-PMTRACE_ERR_BASE-2)
#define PMTRACE_ERR_NOSUCHTAG (-PMTRACE_ERR_BASE-3)
#define PMTRACE_ERR_TAGTYPE (-PMTRACE_ERR_BASE-4)
#define PMTRACE_ERR_TAGLENGTH (-PMTRACE_ERR_BASE-5)
#define PMTRACE_ERR_IPC (-PMTRACE_ERR_BASE-6)
#define PMTRACE_ERR_ENVFORMAT (-PMTRACE_ERR_BASE-7)
#define PMTRACE_ERR_TIMEOUT (-PMTRACE_ERR_BASE-8)
#define PMTRACE_ERR_VERSION (-PMTRACE_ERR_BASE-9)
#define PMTRACE_ERR_PERMISSION (-PMTRACE_ERR_BASE-10)
#define PMTRACE_ERR_CONNLIMIT (-PMTRACE_ERR_BASE-11)
/*
* Diagnostic and state switching
*/
extern int pmtracestate(int code);
#define PMTRACE_STATE_NONE 0 /* default: synchronous and no diagnostics */
#define PMTRACE_STATE_API 1 /* debug: processing just below the API */
#define PMTRACE_STATE_COMMS 2 /* debug: shows network-related activity */
#define PMTRACE_STATE_PDU 4 /* debug: shows app<->PMDA IPC traffic */
#define PMTRACE_STATE_PDUBUF 8 /* debug: internal IPC buffer management */
#define PMTRACE_STATE_NOAGENT 16 /* debug: no PMDA communications at all */
#define PMTRACE_STATE_ASYNC 32 /* control: use asynchronous PDU protocol */
#ifdef __cplusplus
}
#endif
#endif /* PCP_TRACE_H */
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