diff options
author | David Gwynne <dlg@cvs.openbsd.org> | 2006-06-27 10:28:26 +0000 |
---|---|---|
committer | David Gwynne <dlg@cvs.openbsd.org> | 2006-06-27 10:28:26 +0000 |
commit | 9e60a042a563592d9cdbc1513b8bb6fe930b205f (patch) | |
tree | 4c252d7aea6694e7c9252cba3bb6a46d39f09c20 /usr.bin | |
parent | 97bd295e6618bcd4b720143d30c5f2235d070c89 (diff) |
basically replace the iostat view with something that looks like the ifstat
view. noone seemed particularly attached to the last one, so this is
going in.
from deanna phillips
Diffstat (limited to 'usr.bin')
-rw-r--r-- | usr.bin/systat/iostat.c | 275 |
1 files changed, 44 insertions, 231 deletions
diff --git a/usr.bin/systat/iostat.c b/usr.bin/systat/iostat.c index 2d3e69c077a..d37b1c5c6da 100644 --- a/usr.bin/systat/iostat.c +++ b/usr.bin/systat/iostat.c @@ -1,4 +1,4 @@ -/* $OpenBSD: iostat.c,v 1.24 2006/03/31 04:10:59 deraadt Exp $ */ +/* $OpenBSD: iostat.c,v 1.25 2006/06/27 10:28:25 dlg Exp $ */ /* $NetBSD: iostat.c,v 1.5 1996/05/10 23:16:35 thorpej Exp $ */ /* @@ -34,7 +34,7 @@ #if 0 static char sccsid[] = "@(#)iostat.c 8.1 (Berkeley) 6/6/93"; #endif -static char rcsid[] = "$OpenBSD: iostat.c,v 1.24 2006/03/31 04:10:59 deraadt Exp $"; +static char rcsid[] = "$OpenBSD: iostat.c,v 1.25 2006/06/27 10:28:25 dlg Exp $"; #endif /* not lint */ #include <sys/param.h> @@ -51,18 +51,16 @@ static char rcsid[] = "$OpenBSD: iostat.c,v 1.24 2006/03/31 04:10:59 deraadt Exp #include "dkstats.h" extern struct _disk cur, last; -static int linesperregion; -static double etime; -static int numbers = 0; /* default display bar graphs */ -static int secs = 0; /* default seconds shown */ -static int split = 0; /* whether to split r/w stats */ +static double etime; -static int barlabels(int); -static void histogram(double, int, double); -static int numlabels(int); -static int stats(int, int, int); -static void stat1(int, int); +static void numlabels(void); +#define ATIME(x,y) ( \ + (double)x[y].tv_sec + \ + ((double)x[y].tv_usec / (double)1000000) \ + ) +#define NFMT "%-8.8s %12.0f %14.0f %10.0f %10.0f %10.1f" +#define SFMT "%6s %14s %14s %10s %10s %10s" WINDOW * openiostat(void) @@ -96,129 +94,29 @@ fetchiostat(void) dkreadstats(); } -#define INSET 10 - void labeliostat(void) { - int row; - - row = 0; - wmove(wnd, row, 0); wclrtobot(wnd); - mvwaddstr(wnd, row++, INSET, - "/0 /10 /20 /30 /40 /50 /60 /70 /80 /90 /100"); - mvwaddstr(wnd, row++, 0, "cpu user|"); - mvwaddstr(wnd, row++, 0, " nice|"); - mvwaddstr(wnd, row++, 0, " system|"); - mvwaddstr(wnd, row++, 0, "interrupt|"); - mvwaddstr(wnd, row++, 0, " idle|"); - if (numbers) - row = numlabels(row + 1); - else - row = barlabels(row + 1); -} - -static int -numlabels(int row) -{ - int i, col, regions, ndrives; - - if (cur.dk_ndrive == 0) { - mvwaddstr(wnd, row++, INSET, "No drives attached."); - return (row); - } -#define COLWIDTH (split ? 30 : 17) -#define DRIVESPERLINE ((wnd->_maxx - INSET) / COLWIDTH) - for (ndrives = 0, i = 0; i < cur.dk_ndrive; i++) - if (cur.dk_select[i]) - ndrives++; - regions = howmany(ndrives, DRIVESPERLINE); - /* - * Deduct -regions for blank line after each scrolling region. - */ - linesperregion = (wnd->_maxy - row - regions) / regions; - /* - * Minimum region contains space for two - * label lines and one line of statistics. - */ - if (linesperregion < 3) - linesperregion = 3; - col = INSET; - for (i = 0; i < cur.dk_ndrive; i++) - if (cur.dk_select[i] /*&& cur.dk_bytes[i] != 0.0*/) { - if (col + COLWIDTH >= wnd->_maxx) { - col = INSET, row += linesperregion + 1; - if (row > wnd->_maxy - (linesperregion + 1)) - break; - } - mvwaddstr(wnd, row, col + 4, cur.dk_name[i]); - if (split) - mvwaddstr(wnd, row + 1, col, " rKBps wKBps " - "rtps wtps sec"); - else - mvwaddstr(wnd, row + 1, col, " KBps tps sec"); - col += COLWIDTH; - } - if (col) - row += linesperregion + 1; - return (row); + mvwprintw(wnd, 1, 0, SFMT, "Device", "rbytes", "wbytes", "rtps", + "wtps", "msec"); } -static int -barlabels(int row) -{ - int i; - - if (cur.dk_ndrive == 0) { - mvwaddstr(wnd, row++, INSET, "No drives attached."); - return (row); - } - mvwaddstr(wnd, row++, INSET, - "/0 /10 /20 /30 /40 /50 /60 /70 /80 /90 /100"); - linesperregion = 2 + secs; - for (i = 0; i < dk_ndrive; i++) - if (cur.dk_select[i] /*&& cur.dk_bytes[i] != 0.0*/) { - if (row > wnd->_maxy - linesperregion) - break; - if (split) { - mvwprintw(wnd, row++, 0, "%4.4s rKps|", - cur.dk_name[i]); - mvwaddstr(wnd, row++, 0, " wKps|"); - mvwaddstr(wnd, row++, 0, " rtps|"); - mvwaddstr(wnd, row++, 0, " wtps|"); - } else { - mvwprintw(wnd, row++, 0, "%4.4s Kps|", - cur.dk_name[i]); - mvwaddstr(wnd, row++, 0, " tps|"); - } - if (secs) - mvwaddstr(wnd, row++, 0, " msec|"); - } - return (row); -} - - void showiostat(void) { - int i, row, col; + int i; dkswap(); - etime = 0; + etime = 0.0; for (i = 0; i < CPUSTATES; i++) { etime += cur.cp_time[i]; } + if (etime == 0.0) etime = 1.0; - etime /= (float) hz; - row = 1; - /* - * Interrupt CPU state not calculated yet. - */ - for (i = 0; i < CPUSTATES; i++) - stat1(row++, i); + etime /= (float) hz; if (last.dk_ndrive != cur.dk_ndrive) labeliostat(); @@ -226,132 +124,47 @@ showiostat(void) if (cur.dk_ndrive == 0) return; - if (!numbers) { - row += 2; - for (i = 0; i < cur.dk_ndrive; i++) - if (cur.dk_select[i] /*&& cur.dk_bytes[i] != 0.0*/) { - if (row > wnd->_maxy - linesperregion) - break; - row = stats(row, INSET, i); - } - return; - } - col = INSET; - wmove(wnd, row + linesperregion, 0); - wdeleteln(wnd); - wmove(wnd, row + 3, 0); - winsertln(wnd); - for (i = 0; i < cur.dk_ndrive; i++) - if (cur.dk_select[i] /*&& cur.dk_bytes[i] != 0.0*/) { - if (col + COLWIDTH >= wnd->_maxx) { - col = INSET, row += linesperregion + 1; - if (row > wnd->_maxy - (linesperregion + 1)) - break; - wmove(wnd, row + linesperregion, 0); - wdeleteln(wnd); - wmove(wnd, row + 3, 0); - winsertln(wnd); - } - (void) stats(row + 3, col, i); - col += COLWIDTH; - } + numlabels(); } -static int -stats(int row, int col, int dn) +void +numlabels(void) { - double atime, rwords, wwords; + double rsum, wsum, rtsum, wtsum, mssum; + int row, dn; - /* time busy in disk activity */ - atime = (double)cur.dk_time[dn].tv_sec + - ((double)cur.dk_time[dn].tv_usec / (double)1000000); + row = 2; + wmove(wnd, 0, 0); + wclrtoeol(wnd); - rwords = cur.dk_rbytes[dn] / 1024.0; /* # of K read */ - wwords = cur.dk_wbytes[dn] / 1024.0; /* # of K written */ - if (numbers) { - if (split) - mvwprintw(wnd, row, col, "%6.0f%6.0f%5.0f%5.0f%5.1f", - rwords / etime, wwords / etime, cur.dk_rxfer[dn] / - etime, cur.dk_wxfer[dn] / etime, atime / etime); - else - mvwprintw(wnd, row, col, "%5.0f%4.0f%5.1f", - (rwords + wwords) / etime, - (cur.dk_rxfer[dn] + cur.dk_wxfer[dn]) / etime, - atime / etime); - return (row); - } - if (split) { - wmove(wnd, row++, col); - histogram(rwords / etime, 50, 0.5); - wmove(wnd, row++, col); - histogram(wwords / etime, 50, 0.5); - wmove(wnd, row++, col); - histogram(cur.dk_rxfer[dn] / etime, 50, 0.5); - wmove(wnd, row++, col); - histogram(cur.dk_wxfer[dn] / etime, 50, 0.5); - } else { - wmove(wnd, row++, col); - histogram((rwords + wwords) / etime, 50, 0.5); - wmove(wnd, row++, col); - histogram((cur.dk_rxfer[dn] + cur.dk_wxfer[dn]) / etime, 50, - 0.5); - } - if (secs) { - wmove(wnd, row++, col); - atime *= 1000; /* In milliseconds */ - histogram(atime / etime, 50, 0.5); + if (cur.dk_ndrive == 0) { + mvwaddstr(wnd, row, 0, "No drives attached."); + return; } - return (row); -} -static void -stat1(int row, int o) -{ - int i; - double tim; - - tim = 0; - for (i = 0; i < CPUSTATES; i++) - tim += cur.cp_time[i]; - if (tim == 0.0) - tim = 1.0; - wmove(wnd, row, INSET); -#define CPUSCALE 0.5 - histogram(100.0 * cur.cp_time[o] / tim, 50, CPUSCALE); -} - -static void -histogram(double val, int colwidth, double scale) -{ - int v = (int)(val * scale + 0.5); - int factor = 1; - int y, x; - - while (v > colwidth) { - v = (v + 5) / 10; - factor *= 10; + rsum = wsum = rtsum = wtsum = mssum = 0.0; + + for (dn = 0; dn < cur.dk_ndrive; dn++) { + rsum += cur.dk_rbytes[dn] / etime; + wsum += cur.dk_wbytes[dn] /etime; + rtsum += cur.dk_rxfer[dn] / etime; + wtsum += cur.dk_wxfer[dn] / etime; + mssum += ATIME(cur.dk_time, dn) / etime; + mvwprintw(wnd, row++, 0, NFMT, + cur.dk_name[dn], + cur.dk_rbytes[dn] / etime, + cur.dk_wbytes[dn] / etime, + cur.dk_rxfer[dn] / etime, + cur.dk_wxfer[dn] / etime, + ATIME(cur.dk_time, dn) / etime); } - getyx(wnd, y, x); - wclrtoeol(wnd); - whline(wnd, 'X', v); - if (factor != 1) - mvwprintw(wnd, y, x + colwidth + 1, "* %d ", factor); + mvwprintw(wnd, row++, 0, NFMT, + "Totals", rsum, wsum, rtsum, wtsum, mssum); } int cmdiostat(char *cmd, char *args) { - - if (prefix(cmd, "secs")) - secs = !secs; - else if (prefix(cmd, "numbers")) - numbers = 1; - else if (prefix(cmd, "bars")) - numbers = 0; - else if (prefix(cmd, "split")) - split = ~split; - else if (!dkcmd(cmd, args)) - return (0); wclear(wnd); labeliostat(); refresh(); |