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authormerge <null@invalid>2009-01-22 13:55:32 +0000
committerAndy Green <agreen@octopus.localdomain>2009-01-22 13:55:32 +0000
commitaa6f5ffbdba45aa8e19e5048648fc6c7b25376d3 (patch)
treefbb786d0ac6f8a774fd834e9ce951197e60fbffa /drivers/s390/block/dasd_proc.c
parentf2d78193eae5dccd3d588d2c8ea0866efc368332 (diff)
MERGE-via-pending-tracking-hist-MERGE-via-stable-tracking-MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040-1232632141
pending-tracking-hist top was MERGE-via-stable-tracking-MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040-1232632141 / fdf777a63bcb59e0dfd78bfe2c6242e01f6d4eb9 ... parent commitmessage: From: merge <null@invalid> MERGE-via-stable-tracking-hist-MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040 stable-tracking-hist top was MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040 / 90463bfd2d5a3c8b52f6e6d71024a00e052b0ced ... parent commitmessage: From: merge <null@invalid> MERGE-via-mokopatches-tracking-hist-fix-stray-endmenu-patch mokopatches-tracking-hist top was fix-stray-endmenu-patch / 3630e0be570de8057e7f8d2fe501ed353cdf34e6 ... parent commitmessage: From: Andy Green <andy@openmoko.com> fix-stray-endmenu.patch Signed-off-by: Andy Green <andy@openmoko.com>
Diffstat (limited to 'drivers/s390/block/dasd_proc.c')
-rw-r--r--drivers/s390/block/dasd_proc.c28
1 files changed, 15 insertions, 13 deletions
diff --git a/drivers/s390/block/dasd_proc.c b/drivers/s390/block/dasd_proc.c
index 9088de84b45..bf6fd348f20 100644
--- a/drivers/s390/block/dasd_proc.c
+++ b/drivers/s390/block/dasd_proc.c
@@ -180,12 +180,12 @@ dasd_calc_metrics(char *page, char **start, off_t off,
#ifdef CONFIG_DASD_PROFILE
static char *
-dasd_statistics_array(char *str, unsigned int *array, int shift)
+dasd_statistics_array(char *str, unsigned int *array, int factor)
{
int i;
for (i = 0; i < 32; i++) {
- str += sprintf(str, "%7d ", array[i] >> shift);
+ str += sprintf(str, "%7d ", array[i] / factor);
if (i == 15)
str += sprintf(str, "\n");
}
@@ -202,7 +202,7 @@ dasd_statistics_read(char *page, char **start, off_t off,
#ifdef CONFIG_DASD_PROFILE
struct dasd_profile_info_t *prof;
char *str;
- int shift;
+ int factor;
/* check for active profiling */
if (dasd_profile_level == DASD_PROFILE_OFF) {
@@ -214,12 +214,14 @@ dasd_statistics_read(char *page, char **start, off_t off,
prof = &dasd_global_profile;
/* prevent couter 'overflow' on output */
- for (shift = 0; (prof->dasd_io_reqs >> shift) > 9999999; shift++);
+ for (factor = 1; (prof->dasd_io_reqs / factor) > 9999999;
+ factor *= 10);
str = page;
str += sprintf(str, "%d dasd I/O requests\n", prof->dasd_io_reqs);
- str += sprintf(str, "with %d sectors(512B each)\n",
+ str += sprintf(str, "with %u sectors(512B each)\n",
prof->dasd_io_sects);
+ str += sprintf(str, "Scale Factor is %d\n", factor);
str += sprintf(str,
" __<4 ___8 __16 __32 __64 _128 "
" _256 _512 __1k __2k __4k __8k "
@@ -230,22 +232,22 @@ dasd_statistics_read(char *page, char **start, off_t off,
" __1G __2G __4G " " _>4G\n");
str += sprintf(str, "Histogram of sizes (512B secs)\n");
- str = dasd_statistics_array(str, prof->dasd_io_secs, shift);
+ str = dasd_statistics_array(str, prof->dasd_io_secs, factor);
str += sprintf(str, "Histogram of I/O times (microseconds)\n");
- str = dasd_statistics_array(str, prof->dasd_io_times, shift);
+ str = dasd_statistics_array(str, prof->dasd_io_times, factor);
str += sprintf(str, "Histogram of I/O times per sector\n");
- str = dasd_statistics_array(str, prof->dasd_io_timps, shift);
+ str = dasd_statistics_array(str, prof->dasd_io_timps, factor);
str += sprintf(str, "Histogram of I/O time till ssch\n");
- str = dasd_statistics_array(str, prof->dasd_io_time1, shift);
+ str = dasd_statistics_array(str, prof->dasd_io_time1, factor);
str += sprintf(str, "Histogram of I/O time between ssch and irq\n");
- str = dasd_statistics_array(str, prof->dasd_io_time2, shift);
+ str = dasd_statistics_array(str, prof->dasd_io_time2, factor);
str += sprintf(str, "Histogram of I/O time between ssch "
"and irq per sector\n");
- str = dasd_statistics_array(str, prof->dasd_io_time2ps, shift);
+ str = dasd_statistics_array(str, prof->dasd_io_time2ps, factor);
str += sprintf(str, "Histogram of I/O time between irq and end\n");
- str = dasd_statistics_array(str, prof->dasd_io_time3, shift);
+ str = dasd_statistics_array(str, prof->dasd_io_time3, factor);
str += sprintf(str, "# of req in chanq at enqueuing (1..32) \n");
- str = dasd_statistics_array(str, prof->dasd_io_nr_req, shift);
+ str = dasd_statistics_array(str, prof->dasd_io_nr_req, factor);
len = str - page;
#else
len = sprintf(page, "Statistics are not activated in this kernel\n");