initial import of NetBSD tree

1 files changed, 419 insertions, 0 deletions

diff --git a/usr.sbin/sa/pdb.c b/usr.sbin/sa/pdb.c
new file mode 100644
index 00000000000..c08bf1225fc
--- /dev/null
+++ b/usr.sbin/sa/pdb.c
@@ -0,0 +1,419 @@
+/*
+ * Copyright (c) 1994 Christopher G. Demetriou
+ * 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. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *      This product includes software developed by Christopher G. Demetriou.
+ * 4. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
+ */
+
+#ifndef LINT
+static char rcsid[] = "$Id: pdb.c,v 1.1 1995/10/18 08:48:07 deraadt Exp $";
+#endif
+
+#include <sys/types.h>
+#include <sys/acct.h>
+#include <err.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <string.h>
+#include "extern.h"
+#include "pathnames.h"
+
+static int check_junk __P((struct cmdinfo *));
+static void add_ci __P((const struct cmdinfo *, struct cmdinfo *));
+static void print_ci __P((const struct cmdinfo *, const struct cmdinfo *));
+
+static DB	*pacct_db;
+
+int
+pacct_init()
+{
+	DB *saved_pacct_db;
+	int error;
+
+	pacct_db = dbopen(NULL, O_RDWR, 0, DB_BTREE, NULL);
+	if (pacct_db == NULL)
+		return (-1);
+
+	error = 0;
+	if (!iflag) {
+		DBT key, data;
+		int serr, nerr;
+
+		saved_pacct_db = dbopen(_PATH_SAVACCT, O_RDONLY, 0, DB_BTREE,
+		    NULL);
+		if (saved_pacct_db == NULL) {
+			error = errno == ENOENT ? 0 : -1;
+			if (error)
+				warn("retrieving process accounting summary");
+			goto out;
+		}
+
+		serr = DB_SEQ(saved_pacct_db, &key, &data, R_FIRST);
+		if (serr < 0) {
+			warn("retrieving process accounting summary");
+			error = -1;
+			goto closeout;
+		}
+		while (serr == 0) {
+			nerr = DB_PUT(pacct_db, &key, &data, 0);
+			if (nerr < 0) {
+				warn("initializing process accounting stats");
+				error = -1;
+				break;
+			}
+
+			serr = DB_SEQ(saved_pacct_db, &key, &data, R_NEXT);
+			if (serr < 0) {
+				warn("retrieving process accounting summary");
+				error = -1;
+				break;
+			}
+		}
+
+closeout:	if (DB_CLOSE(saved_pacct_db) < 0) {
+			warn("closing process accounting summary");
+			error = -1;
+		}
+	}
+
+out:	if (error != 0)
+		pacct_destroy();
+	return (error);
+}
+
+void
+pacct_destroy()
+{
+	if (DB_CLOSE(pacct_db) < 0)
+		warn("destroying process accounting stats");
+}
+
+int
+pacct_add(ci)
+	const struct cmdinfo *ci;
+{
+	DBT key, data;
+	struct cmdinfo newci;
+	char keydata[sizeof(ci->ci_comm)];
+	int rv;
+
+	memcpy(&keydata, ci->ci_comm, sizeof(keydata));
+	key.data = &keydata;
+	key.size = strlen(keydata);
+
+	rv = DB_GET(pacct_db, &key, &data, 0);
+	if (rv < 0) {
+		warn("get key %s from process accounting stats", ci->ci_comm);
+		return (-1);
+	} else if (rv == 0) {	/* it's there; copy whole thing */
+		/* XXX compare size if paranoid */
+		/* add the old data to the new data */
+		memcpy(&newci, data.data, data.size);
+	} else {		/* it's not there; zero it and copy the key */
+		memset(&newci, 0, sizeof(newci));
+		memcpy(newci.ci_comm, key.data, key.size);
+	}
+	
+	add_ci(ci, &newci);
+
+	data.data = &newci; 
+	data.size = sizeof(newci);
+	rv = DB_PUT(pacct_db, &key, &data, 0);
+	if (rv < 0) {
+		warn("add key %s to process accounting stats", ci->ci_comm);
+		return (-1);
+	} else if (rv == 1) {
+		warnx("duplicate key %s in process accounting stats",
+		    ci->ci_comm);
+		return (-1);
+	}
+
+	return (0);
+}
+
+int
+pacct_update()
+{
+	DB *saved_pacct_db;
+	DBT key, data;
+	int error, serr, nerr;
+
+	saved_pacct_db = dbopen(_PATH_SAVACCT, O_RDWR|O_CREAT|O_TRUNC, 0644,
+	    DB_BTREE, NULL);
+	if (saved_pacct_db == NULL) {
+		warn("creating process accounting summary");
+		return (-1);
+	}
+
+	error = 0;
+
+	serr = DB_SEQ(pacct_db, &key, &data, R_FIRST);
+	if (serr < 0) {
+		warn("retrieving process accounting stats");
+		error = -1;
+	}
+	while (serr == 0) {
+		nerr = DB_PUT(saved_pacct_db, &key, &data, 0);
+		if (nerr < 0) {
+			warn("saving process accounting summary");
+			error = -1;
+			break;
+		}
+
+		serr = DB_SEQ(pacct_db, &key, &data, R_NEXT);
+		if (serr < 0) {
+			warn("retrieving process accounting stats");
+			error = -1;
+			break;
+		}
+	}
+
+	if (DB_SYNC(saved_pacct_db, 0) < 0) {
+		warn("syncing process accounting summary");
+		error = -1;
+	}
+	if (DB_CLOSE(saved_pacct_db) < 0) {
+		warn("closing process accounting summary");
+		error = -1;
+	}
+	return error;
+}
+
+void
+pacct_print()
+{
+	BTREEINFO bti;
+	DBT key, data, ndata;
+	DB *output_pacct_db;
+	struct cmdinfo *cip, ci, ci_total, ci_other, ci_junk;
+	int rv;
+
+	memset(&ci_total, 0, sizeof(ci_total));
+	strcpy(ci_total.ci_comm, "");
+	memset(&ci_other, 0, sizeof(ci_other));
+	strcpy(ci_other.ci_comm, "***other");
+	memset(&ci_junk, 0, sizeof(ci_junk));
+	strcpy(ci_junk.ci_comm, "**junk**");
+
+	/*
+	 * Retrieve them into new DB, sorted by appropriate key.
+	 * At the same time, cull 'other' and 'junk'
+	 */
+	memset(&bti, 0, sizeof(bti));
+	bti.compare = sa_cmp;
+	output_pacct_db = dbopen(NULL, O_RDWR, 0, DB_BTREE, &bti);
+	if (output_pacct_db == NULL) {
+		warn("couldn't sort process accounting stats");
+		return;
+	}
+
+	ndata.data = NULL;
+	ndata.size = 0;
+	rv = DB_SEQ(pacct_db, &key, &data, R_FIRST);
+	if (rv < 0)
+		warn("retrieving process accounting stats");
+	while (rv == 0) {
+		cip = (struct cmdinfo *) data.data;
+		memcpy(&ci, cip, sizeof(ci));
+
+		/* add to total */
+		add_ci(&ci, &ci_total);
+
+		if (vflag && ci.ci_calls <= cutoff &&
+		    (fflag || check_junk(&ci))) {
+			/* put it into **junk** */
+			add_ci(&ci, &ci_junk);
+			goto next;
+		}
+		if (!aflag &&
+		    ((ci.ci_flags & CI_UNPRINTABLE) != 0 || ci.ci_calls <= 1)) {
+			/* put into ***other */
+			add_ci(&ci, &ci_other);
+			goto next;
+		}
+		rv = DB_PUT(output_pacct_db, &data, &ndata, 0);
+		if (rv < 0)
+			warn("sorting process accounting stats");
+
+next:		rv = DB_SEQ(pacct_db, &key, &data, R_NEXT);
+		if (rv < 0)
+			warn("retrieving process accounting stats");
+	}
+
+	/* insert **junk** and ***other */
+	if (ci_junk.ci_calls != 0) {
+		data.data = &ci_junk;
+		data.size = sizeof(ci_junk);
+		rv = DB_PUT(output_pacct_db, &data, &ndata, 0);
+		if (rv < 0)
+			warn("sorting process accounting stats");
+	}
+	if (ci_other.ci_calls != 0) {
+		data.data = &ci_other;
+		data.size = sizeof(ci_other);
+		rv = DB_PUT(output_pacct_db, &data, &ndata, 0);
+		if (rv < 0)
+			warn("sorting process accounting stats");
+	}
+
+	/* print out the total */
+	print_ci(&ci_total, &ci_total);
+
+	/* print out; if reversed, print first (smallest) first */
+	rv = DB_SEQ(output_pacct_db, &data, &ndata, rflag ? R_FIRST : R_LAST);
+	if (rv < 0)
+		warn("retrieving process accounting report");
+	while (rv == 0) {
+		cip = (struct cmdinfo *) data.data;
+		memcpy(&ci, cip, sizeof(ci));
+
+		print_ci(&ci, &ci_total);
+
+		rv = DB_SEQ(output_pacct_db, &data, &ndata,
+		    rflag ? R_NEXT : R_PREV);
+		if (rv < 0)
+			warn("retrieving process accounting report");
+	}
+	DB_CLOSE(output_pacct_db);
+}
+
+static int
+check_junk(cip)
+	struct cmdinfo *cip;
+{
+	char *cp;
+	size_t len;
+
+	fprintf(stderr, "%s (%qu) -- ", cip->ci_comm, cip->ci_calls);
+	cp = fgetln(stdin, &len);
+
+	return (cp && (cp[0] == 'y' || cp[0] == 'Y')) ? 1 : 0;
+}
+
+static void
+add_ci(fromcip, tocip)
+	const struct cmdinfo *fromcip;
+	struct cmdinfo *tocip;
+{
+	tocip->ci_calls += fromcip->ci_calls;
+	tocip->ci_etime += fromcip->ci_etime;
+	tocip->ci_utime += fromcip->ci_utime;
+	tocip->ci_stime += fromcip->ci_stime;
+	tocip->ci_mem += fromcip->ci_mem;
+	tocip->ci_io += fromcip->ci_io;
+}
+
+static void
+print_ci(cip, totalcip)
+	const struct cmdinfo *cip, *totalcip;
+{
+	double t, c;
+	int uflow;
+
+	c = cip->ci_calls ? cip->ci_calls : 1;
+	t = (cip->ci_utime + cip->ci_stime) / (double) AHZ;
+	if (t < 0.01) {
+		t = 0.01;
+		uflow = 1;
+	} else
+		uflow = 0;
+
+	printf("%8qu ", cip->ci_calls);
+	if (cflag) {
+		if (cip != totalcip)
+			printf(" %4.2f%%  ",
+			    cip->ci_calls / (double) totalcip->ci_calls);
+		else
+			printf(" %4s   ", "");
+	}
+
+	if (jflag)
+		printf("%11.2fre ", cip->ci_etime / (double) (AHZ * c));
+	else
+		printf("%11.2fre ", cip->ci_etime / (60.0 * AHZ));
+	if (cflag) {
+		if (cip != totalcip)
+			printf(" %4.2f%%  ",
+			    cip->ci_etime / (double) totalcip->ci_etime);
+		else
+			printf(" %4s   ", "");
+	}
+
+	if (!lflag) {
+		if (jflag)
+			printf("%11.2fcp ", t / (double) cip->ci_calls);
+		else
+			printf("%11.2fcp ", t / 60.0);
+		if (cflag) {
+			if (cip != totalcip)
+				printf(" %4.2f%%  ",
+				    (cip->ci_utime + cip->ci_stime) / (double)
+				    (totalcip->ci_utime + totalcip->ci_stime));
+			else
+				printf(" %4s   ", "");
+		}
+	} else {
+		if (jflag)
+			printf("%11.2fu ", cip->ci_utime / (double) (AHZ * c));
+		else
+			printf("%11.2fu ", cip->ci_utime / (60.0 * AHZ));
+		if (cflag) {
+			if (cip != totalcip)
+				printf(" %4.2f%%  ", cip->ci_utime / (double) totalcip->ci_utime);
+			else
+				printf(" %4s   ", "");
+		}
+		if (jflag)
+			printf("%11.2fs ", cip->ci_stime / (double) (AHZ * c));
+		else
+			printf("%11.2fs ", cip->ci_stime / (60.0 * AHZ));
+		if (cflag) {
+			if (cip != totalcip)
+				printf(" %4.2f%%  ", cip->ci_stime / (double) totalcip->ci_stime);
+			else
+				printf(" %4s   ", "");
+		}
+	}
+
+	if (tflag)
+		if (!uflow)
+			printf("%8.2fre/cp ", cip->ci_etime / (double) (cip->ci_utime + cip->ci_stime));
+		else
+			printf("%8 ", "*ignore*");
+
+	if (Dflag)
+		printf("%10qutio ", cip->ci_io);
+	else
+		printf("%8.0favio ", cip->ci_io / c);
+
+	if (Kflag)
+		printf("%10quk*sec ", cip->ci_mem);
+	else
+		printf("%8.0fk ", cip->ci_mem / t);
+
+	printf("  %s\n", cip->ci_comm);
+}