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GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	bin/csh/time.c	Lines:	0	120	0.0 %
Date:	2017-11-13	Branches:	0	57	0.0 %


/*	$OpenBSD: time.c,v 1.15 2017/07/22 09:37:21 anton Exp $	*/
/*	$NetBSD: time.c,v 1.7 1995/03/21 13:55:25 mycroft Exp $	*/

/*-
 * Copyright (c) 1980, 1991, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * 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.
 * 3. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
 */

#include <sys/types.h>
#include <stdarg.h>

#include "csh.h"
#include "extern.h"

/*
 * C Shell - routines handling process timing and niceing
 */
static void	pdeltat(struct timeval *, struct timeval *);

void
settimes(void)
{
    struct rusage ruch;

    (void) clock_gettime(CLOCK_MONOTONIC, &time0);
    (void) getrusage(RUSAGE_SELF, &ru0);
    (void) getrusage(RUSAGE_CHILDREN, &ruch);
    ruadd(&ru0, &ruch);
}

/*
 * dotime is only called if it is truly a builtin function and not a
 * prefix to another command
 */
void
/*ARGSUSED*/
dotime(Char **v, struct command *t)
{
    struct timespec timedol;
    struct rusage ru1, ruch;

    (void) getrusage(RUSAGE_SELF, &ru1);
    (void) getrusage(RUSAGE_CHILDREN, &ruch);
    ruadd(&ru1, &ruch);
    (void) clock_gettime(CLOCK_MONOTONIC, &timedol);
    prusage(&ru0, &ru1, &timedol, &time0);
}

/*
 * donice is only called when it on the line by itself or with a +- value
 */
void
/*ARGSUSED*/
donice(Char **v, struct command *t)
{
    Char *cp;
    int     nval = 0;

    v++, cp = *v++;
    if (cp == 0)
	nval = 4;
    else if (*v == 0 && any("+-", cp[0]))
	nval = getn(cp);
    (void) setpriority(PRIO_PROCESS, 0, nval);
}

void
ruadd(struct rusage *ru, struct rusage *ru2)
{
    timeradd(&ru->ru_utime, &ru2->ru_utime, &ru->ru_utime);
    timeradd(&ru->ru_stime, &ru2->ru_stime, &ru->ru_stime);
    if (ru2->ru_maxrss > ru->ru_maxrss)
	ru->ru_maxrss = ru2->ru_maxrss;

    ru->ru_ixrss += ru2->ru_ixrss;
    ru->ru_idrss += ru2->ru_idrss;
    ru->ru_isrss += ru2->ru_isrss;
    ru->ru_minflt += ru2->ru_minflt;
    ru->ru_majflt += ru2->ru_majflt;
    ru->ru_nswap += ru2->ru_nswap;
    ru->ru_inblock += ru2->ru_inblock;
    ru->ru_oublock += ru2->ru_oublock;
    ru->ru_msgsnd += ru2->ru_msgsnd;
    ru->ru_msgrcv += ru2->ru_msgrcv;
    ru->ru_nsignals += ru2->ru_nsignals;
    ru->ru_nvcsw += ru2->ru_nvcsw;
    ru->ru_nivcsw += ru2->ru_nivcsw;
}

void
prusage(struct rusage *r0, struct rusage *r1, struct timespec *e,
    struct timespec *b)
{
    time_t t =
    (r1->ru_utime.tv_sec - r0->ru_utime.tv_sec) * 100 +
    (r1->ru_utime.tv_usec - r0->ru_utime.tv_usec) / 10000 +
    (r1->ru_stime.tv_sec - r0->ru_stime.tv_sec) * 100 +
    (r1->ru_stime.tv_usec - r0->ru_stime.tv_usec) / 10000;
    char *cp;
    long i;
    struct varent *vp = adrof(STRtime);

    int     ms =
    (e->tv_sec - b->tv_sec) * 100 + (e->tv_nsec - b->tv_nsec) / 10000000;

    cp = "%Uu %Ss %E %P %X+%Dk %I+%Oio %Fpf+%Ww";

    if (vp && vp->vec[0] && vp->vec[1])
	cp = short2str(vp->vec[1]);

    for (; *cp; cp++)
	if (*cp != '%')
	    (void) fputc(*cp, cshout);
	else if (cp[1])
	    switch (*++cp) {

	    case 'U':		/* user CPU time used */
		pdeltat(&r1->ru_utime, &r0->ru_utime);
		break;

	    case 'S':		/* system CPU time used */
		pdeltat(&r1->ru_stime, &r0->ru_stime);
		break;

	    case 'E':		/* elapsed (wall-clock) time */
		pcsecs((long) ms);
		break;

	    case 'P':		/* percent time spent running */
		/* check if it did not run at all */
		i = (ms == 0) ? 0 : ((long long)t * 1000 / ms);
		/* nn.n% */
		(void) fprintf(cshout, "%ld.%01ld%%", i / 10, i % 10);
		break;

	    case 'W':		/* number of swaps */
		i = r1->ru_nswap - r0->ru_nswap;
		(void) fprintf(cshout, "%ld", i);
		break;

	    case 'X':		/* (average) shared text size */
		(void) fprintf(cshout, "%ld", t == 0 ? 0L :
			       (long)((r1->ru_ixrss - r0->ru_ixrss) / t));
		break;

	    case 'D':		/* (average) unshared data size */
		(void) fprintf(cshout, "%ld", t == 0 ? 0L :
			(long)((r1->ru_idrss + r1->ru_isrss -
			       (r0->ru_idrss + r0->ru_isrss)) / t));
		break;

	    case 'K':		/* (average) total data memory used  */
		(void) fprintf(cshout, "%ld", t == 0 ? 0L :
			(long)(((r1->ru_ixrss + r1->ru_isrss + r1->ru_idrss)
			      - (r0->ru_ixrss + r0->ru_idrss + r0->ru_isrss))
			      / t));
		break;

	    case 'M':		/* max. Resident Set Size */
		(void) fprintf(cshout, "%ld", r1->ru_maxrss / 2L);
		break;

	    case 'F':		/* page faults */
		(void) fprintf(cshout, "%ld", r1->ru_majflt - r0->ru_majflt);
		break;

	    case 'R':		/* page reclaims */
		(void) fprintf(cshout, "%ld", r1->ru_minflt - r0->ru_minflt);
		break;

	    case 'I':		/* FS blocks in */
		(void) fprintf(cshout, "%ld", r1->ru_inblock - r0->ru_inblock);
		break;

	    case 'O':		/* FS blocks out */
		(void) fprintf(cshout, "%ld", r1->ru_oublock - r0->ru_oublock);
		break;

	    case 'r':		/* socket messages received */
		(void) fprintf(cshout, "%ld", r1->ru_msgrcv - r0->ru_msgrcv);
		break;

	    case 's':		/* socket messages sent */
		(void) fprintf(cshout, "%ld", r1->ru_msgsnd - r0->ru_msgsnd);
		break;

	    case 'k':		/* number of signals received */
		(void) fprintf(cshout, "%ld", r1->ru_nsignals-r0->ru_nsignals);
		break;

	    case 'w':		/* num. voluntary context switches (waits) */
		(void) fprintf(cshout, "%ld", r1->ru_nvcsw - r0->ru_nvcsw);
		break;

	    case 'c':		/* num. involuntary context switches */
		(void) fprintf(cshout, "%ld", r1->ru_nivcsw - r0->ru_nivcsw);
		break;
	    }
    (void) fputc('\n', cshout);
}

static void
pdeltat(struct timeval *t1, struct timeval *t0)
{
    struct timeval td;

    timersub(t1, t0, &td);
    (void) fprintf(cshout, "%lld.%01ld", (long long)td.tv_sec,
	td.tv_usec / 100000);
}

#define  P2DIG(i) (void) fprintf(cshout, "%d%d", (i) / 10, (i) % 10)

void
psecs(long l)
{
    int i;

    i = l / 3600;
    if (i) {
	(void) fprintf(cshout, "%d:", i);
	i = l % 3600;
	P2DIG(i / 60);
	goto minsec;
    }
    i = l;
    (void) fprintf(cshout, "%d", i / 60);
minsec:
    i %= 60;
    (void) fputc(':', cshout);
    P2DIG(i);
}

void
pcsecs(long l)			/* PWP: print mm:ss.dd, l is in sec*100 */
{
    int i;

    i = l / 360000;
    if (i) {
	(void) fprintf(cshout, "%d:", i);
	i = (l % 360000) / 100;
	P2DIG(i / 60);
	goto minsec;
    }
    i = l / 100;
    (void) fprintf(cshout, "%d", i / 60);
minsec:
    i %= 60;
    (void) fputc(':', cshout);
    P2DIG(i);
    (void) fputc('.', cshout);
    P2DIG((int) (l % 100));
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: time.c,v 1.15 2017/07/22 09:37:21 anton Exp $ */
2			/* $NetBSD: time.c,v 1.7 1995/03/21 13:55:25 mycroft Exp $ */
3
4			/*-
5			* Copyright (c) 1980, 1991, 1993
6			* The Regents of the University of California. All rights reserved.
7			*
8			* Redistribution and use in source and binary forms, with or without
9			* modification, are permitted provided that the following conditions
10			* are met:
11			* 1. Redistributions of source code must retain the above copyright
12			* notice, this list of conditions and the following disclaimer.
13			* 2. Redistributions in binary form must reproduce the above copyright
14			* notice, this list of conditions and the following disclaimer in the
15			* documentation and/or other materials provided with the distribution.
16			* 3. Neither the name of the University nor the names of its contributors
17			* may be used to endorse or promote products derived from this software
18			* without specific prior written permission.
19			*
20			* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21			* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22			* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23			* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24			* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25			* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26			* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27			* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28			* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29			* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30			* SUCH DAMAGE.
31			*/
32
33			#include <sys/types.h>
34			#include <stdarg.h>
35
36			#include "csh.h"
37			#include "extern.h"
38
39			/*
40			* C Shell - routines handling process timing and niceing
41			*/
42			static void pdeltat(struct timeval , struct timeval );
43
44			void
45			settimes(void)
46			{
47			struct rusage ruch;
48
49			(void) clock_gettime(CLOCK_MONOTONIC, &time0);
50			(void) getrusage(RUSAGE_SELF, &ru0);
51			(void) getrusage(RUSAGE_CHILDREN, &ruch);
52			ruadd(&ru0, &ruch);
53			}
54
55			/*
56			* dotime is only called if it is truly a builtin function and not a
57			* prefix to another command
58			*/
59			void
60			/ARGSUSED/
61			dotime(Char *v, struct command t)
62			{
63			struct timespec timedol;
64			struct rusage ru1, ruch;
65
66			(void) getrusage(RUSAGE_SELF, &ru1);
67			(void) getrusage(RUSAGE_CHILDREN, &ruch);
68			ruadd(&ru1, &ruch);
69			(void) clock_gettime(CLOCK_MONOTONIC, &timedol);
70			prusage(&ru0, &ru1, &timedol, &time0);
71			}
72
73			/*
74			* donice is only called when it on the line by itself or with a +- value
75			*/
76			void
77			/ARGSUSED/
78			donice(Char *v, struct command t)
79			{
80			Char *cp;
81			int nval = 0;
82
83			v++, cp = *v++;
84			if (cp == 0)
85			nval = 4;
86			else if (*v == 0 && any("+-", cp[0]))
87			nval = getn(cp);
88			(void) setpriority(PRIO_PROCESS, 0, nval);
89			}
90
91			void
92			ruadd(struct rusage ru, struct rusage ru2)
93			{
94			timeradd(&ru->ru_utime, &ru2->ru_utime, &ru->ru_utime);
95			timeradd(&ru->ru_stime, &ru2->ru_stime, &ru->ru_stime);
96			if (ru2->ru_maxrss > ru->ru_maxrss)
97			ru->ru_maxrss = ru2->ru_maxrss;
98
99			ru->ru_ixrss += ru2->ru_ixrss;
100			ru->ru_idrss += ru2->ru_idrss;
101			ru->ru_isrss += ru2->ru_isrss;
102			ru->ru_minflt += ru2->ru_minflt;
103			ru->ru_majflt += ru2->ru_majflt;
104			ru->ru_nswap += ru2->ru_nswap;
105			ru->ru_inblock += ru2->ru_inblock;
106			ru->ru_oublock += ru2->ru_oublock;
107			ru->ru_msgsnd += ru2->ru_msgsnd;
108			ru->ru_msgrcv += ru2->ru_msgrcv;
109			ru->ru_nsignals += ru2->ru_nsignals;
110			ru->ru_nvcsw += ru2->ru_nvcsw;
111			ru->ru_nivcsw += ru2->ru_nivcsw;
112			}
113
114			void
115			prusage(struct rusage r0, struct rusage r1, struct timespec *e,
116			struct timespec *b)
117			{
118			time_t t =
119			(r1->ru_utime.tv_sec - r0->ru_utime.tv_sec) * 100 +
120			(r1->ru_utime.tv_usec - r0->ru_utime.tv_usec) / 10000 +
121			(r1->ru_stime.tv_sec - r0->ru_stime.tv_sec) * 100 +
122			(r1->ru_stime.tv_usec - r0->ru_stime.tv_usec) / 10000;
123			char *cp;
124			long i;
125			struct varent *vp = adrof(STRtime);
126
127			int ms =
128			(e->tv_sec - b->tv_sec) * 100 + (e->tv_nsec - b->tv_nsec) / 10000000;
129
130			cp = "%Uu %Ss %E %P %X+%Dk %I+%Oio %Fpf+%Ww";
131
132			if (vp && vp->vec[0] && vp->vec[1])
133			cp = short2str(vp->vec[1]);
134
135			for (; *cp; cp++)
136			if (*cp != '%')
137			(void) fputc(*cp, cshout);
138			else if (cp[1])
139			switch (*++cp) {
140
141			case 'U': /* user CPU time used */
142			pdeltat(&r1->ru_utime, &r0->ru_utime);
143			break;
144
145			case 'S': /* system CPU time used */
146			pdeltat(&r1->ru_stime, &r0->ru_stime);
147			break;
148
149			case 'E': /* elapsed (wall-clock) time */
150			pcsecs((long) ms);
151			break;
152
153			case 'P': /* percent time spent running */
154			/* check if it did not run at all */
155			i = (ms == 0) ? 0 : ((long long)t * 1000 / ms);
156			/* nn.n% */
157			(void) fprintf(cshout, "%ld.%01ld%%", i / 10, i % 10);
158			break;
159
160			case 'W': /* number of swaps */
161			i = r1->ru_nswap - r0->ru_nswap;
162			(void) fprintf(cshout, "%ld", i);
163			break;
164
165			case 'X': /* (average) shared text size */
166			(void) fprintf(cshout, "%ld", t == 0 ? 0L :
167			(long)((r1->ru_ixrss - r0->ru_ixrss) / t));
168			break;
169
170			case 'D': /* (average) unshared data size */
171			(void) fprintf(cshout, "%ld", t == 0 ? 0L :
172			(long)((r1->ru_idrss + r1->ru_isrss -
173			(r0->ru_idrss + r0->ru_isrss)) / t));
174			break;
175
176			case 'K': /* (average) total data memory used */
177			(void) fprintf(cshout, "%ld", t == 0 ? 0L :
178			(long)(((r1->ru_ixrss + r1->ru_isrss + r1->ru_idrss)
179			- (r0->ru_ixrss + r0->ru_idrss + r0->ru_isrss))
180			/ t));
181			break;
182
183			case 'M': /* max. Resident Set Size */
184			(void) fprintf(cshout, "%ld", r1->ru_maxrss / 2L);
185			break;
186
187			case 'F': /* page faults */
188			(void) fprintf(cshout, "%ld", r1->ru_majflt - r0->ru_majflt);
189			break;
190
191			case 'R': /* page reclaims */
192			(void) fprintf(cshout, "%ld", r1->ru_minflt - r0->ru_minflt);
193			break;
194
195			case 'I': /* FS blocks in */
196			(void) fprintf(cshout, "%ld", r1->ru_inblock - r0->ru_inblock);
197			break;
198
199			case 'O': /* FS blocks out */
200			(void) fprintf(cshout, "%ld", r1->ru_oublock - r0->ru_oublock);
201			break;
202
203			case 'r': /* socket messages received */
204			(void) fprintf(cshout, "%ld", r1->ru_msgrcv - r0->ru_msgrcv);
205			break;
206
207			case 's': /* socket messages sent */
208			(void) fprintf(cshout, "%ld", r1->ru_msgsnd - r0->ru_msgsnd);
209			break;
210
211			case 'k': /* number of signals received */
212			(void) fprintf(cshout, "%ld", r1->ru_nsignals-r0->ru_nsignals);
213			break;
214
215			case 'w': /* num. voluntary context switches (waits) */
216			(void) fprintf(cshout, "%ld", r1->ru_nvcsw - r0->ru_nvcsw);
217			break;
218
219			case 'c': /* num. involuntary context switches */
220			(void) fprintf(cshout, "%ld", r1->ru_nivcsw - r0->ru_nivcsw);
221			break;
222			}
223			(void) fputc('\n', cshout);
224			}
225
226			static void
227			pdeltat(struct timeval t1, struct timeval t0)
228			{
229			struct timeval td;
230
231			timersub(t1, t0, &td);
232			(void) fprintf(cshout, "%lld.%01ld", (long long)td.tv_sec,
233			td.tv_usec / 100000);
234			}
235
236			#define P2DIG(i) (void) fprintf(cshout, "%d%d", (i) / 10, (i) % 10)
237
238			void
239			psecs(long l)
240			{
241			int i;
242
243			i = l / 3600;
244			if (i) {
245			(void) fprintf(cshout, "%d:", i);
246			i = l % 3600;
247			P2DIG(i / 60);
248			goto minsec;
249			}
250			i = l;
251			(void) fprintf(cshout, "%d", i / 60);
252			minsec:
253			i %= 60;
254			(void) fputc(':', cshout);
255			P2DIG(i);
256			}
257
258			void
259			pcsecs(long l) /* PWP: print mm:ss.dd, l is in sec100 /
260			{
261			int i;
262
263			i = l / 360000;
264			if (i) {
265			(void) fprintf(cshout, "%d:", i);
266			i = (l % 360000) / 100;
267			P2DIG(i / 60);
268			goto minsec;
269			}
270			i = l / 100;
271			(void) fprintf(cshout, "%d", i / 60);
272			minsec:
273			i %= 60;
274			(void) fputc(':', cshout);
275			P2DIG(i);
276			(void) fputc('.', cshout);
277			P2DIG((int) (l % 100));
278			}