d/freebsd-dev
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Add -d flag to monitor BIO_DELETE operations too

Browse Source
This commit is contained in:
Poul-Henning Kamp 2004-02-15 09:34:08 +00:00
parent 053791db10
commit fbbe961c41
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=125844
2 changed files with 27 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
usr.sbin/gstat/gstat.8
View File

@ -33,6 +33,7 @@
.Sh SYNOPSIS
.Nm
.Op Fl c
.Op Fl d
.Op Fl I Ar interval
.Sh DESCRIPTION
The
@ -50,6 +51,8 @@ consumers too.
The default is to show statistics only for
.Xr geom 4
producers.
.It Fl d
Enable display of statistics for delete (BIO_DELETE) operations.
.It Fl I Ar interval
Refresh the
.Nm

28
usr.sbin/gstat/gstat.c
View File

@ -47,7 +47,7 @@
#include <devstat.h>
#include <sys/devicestat.h>
static int flag_c;
static int flag_c, flag_d;
static int flag_I = 500000;
static void usage(void);
@ -66,14 +66,17 @@ main(int argc, char **argv)
struct gident *gid;
short cf, cb;
char *p;
long double ld[8];
long double ld[11];
uint64_t u64;
while ((i = getopt(argc, argv, "cI:")) != -1) {
while ((i = getopt(argc, argv, "dcI:")) != -1) {
switch (i) {
case 'c':
flag_c = 1;
break;
case 'd':
flag_d = 1;
break;
case 'I':
p = NULL;
i = strtoul(optarg, &p, 0);
@ -136,7 +139,12 @@ main(int argc, char **argv)
move(0,0);
printw("dT: %5.3f flag_I %dus sizeof %d i %d\n",
dt, flag_I, sizeof(*gsp), i);
printw(" L(q) ops/s r/s kBps ms/r w/s kBps ms/w %%busy Name\n");
printw(" L(q) ops/s ");
printw(" r/s kBps ms/r ");
printw(" w/s kBps ms/d ");
if (flag_d)
printw(" d/s kBps ms/d ");
printw("%%busy Name\n");
for (;;) {
gsp = geom_stats_snapshot_next(sp);
gsq = geom_stats_snapshot_next(sq);
@ -163,13 +171,19 @@ main(int argc, char **argv)
devstat_compute_statistics(gsp, gsq, dt,
DSM_QUEUE_LENGTH, &u64,
DSM_TRANSFERS_PER_SECOND, &ld[0],
DSM_TRANSFERS_PER_SECOND_READ, &ld[1],
DSM_MB_PER_SECOND_READ, &ld[2],
DSM_MS_PER_TRANSACTION_READ, &ld[3],
DSM_TRANSFERS_PER_SECOND_WRITE, &ld[4],
DSM_MB_PER_SECOND_WRITE, &ld[5],
DSM_MS_PER_TRANSACTION_WRITE, &ld[6],
DSM_BUSY_PCT, &ld[7],
DSM_TRANSFERS_PER_SECOND_FREE, &ld[8],
DSM_MB_PER_SECOND_FREE, &ld[9],
DSM_MS_PER_TRANSACTION_FREE, &ld[10],
DSM_NONE);
printw(" %4ju", (uintmax_t)u64);
@ -181,6 +195,12 @@ main(int argc, char **argv)
printw(" %6.0f", (double)ld[5] * 1024);
printw(" %6.1f", (double)ld[6]);
if (flag_d) {
printw(" %6.0f", (double)ld[8]);
printw(" %6.0f", (double)ld[9] * 1024);
printw(" %6.1f", (double)ld[10]);
}
if (ld[7] > 80)
i = 3;
else if (ld[7] > 50)