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New an improved taskq implementation for the SPL. It allows a

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configurable number of threads like the Solaris version and almost
all of the options are supported.  Unfortunately, it appears to have
made absolutely no difference to our performance numbers.  I need
to keep looking for where we are bottle necking.



git-svn-id: https://outreach.scidac.gov/svn/spl/trunk@93 7e1ea52c-4ff2-0310-8f11-9dd32ca42a1c
This commit is contained in:
behlendo
2008-04-25 22:10:47 +00:00
parent 839d8b438e
commit bcd68186d8
5 changed files with 483 additions and 138 deletions
Download Patch File Download Diff File Expand all files Collapse all files
modules/splat/splat-taskq.c
+13 -5
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@@ -43,7 +43,8 @@ splat_taskq_test1(struct file *file, void *arg)
splat_vprint(file, SPLAT_TASKQ_TEST1_NAME, "Taskq '%s' creating\n",
SPLAT_TASKQ_TEST1_NAME);
if ((tq = taskq_create(SPLAT_TASKQ_TEST1_NAME, 1, 0, 0, 0, 0)) == NULL) {
if ((tq = taskq_create(SPLAT_TASKQ_TEST1_NAME, 1, maxclsyspri,
50, INT_MAX, TASKQ_PREPOPULATE)) == NULL) {
splat_vprint(file, SPLAT_TASKQ_TEST1_NAME,
"Taskq '%s' create failed\n",
SPLAT_TASKQ_TEST1_NAME);
@@ -58,7 +59,8 @@ splat_taskq_test1(struct file *file, void *arg)
splat_vprint(file, SPLAT_TASKQ_TEST1_NAME,
"Taskq '%s' function '%s' dispatching\n",
tq_arg.name, sym2str(splat_taskq_test1_func));
if ((id = taskq_dispatch(tq, splat_taskq_test1_func, &tq_arg, 0)) == 0) {
if ((id = taskq_dispatch(tq, splat_taskq_test1_func,
&tq_arg, TQ_SLEEP)) == 0) {
splat_vprint(file, SPLAT_TASKQ_TEST1_NAME,
"Taskq '%s' function '%s' dispatch failed\n",
tq_arg.name, sym2str(splat_taskq_test1_func));
@@ -109,6 +111,8 @@ splat_taskq_test2_func2(void *arg)
}
#define TEST2_TASKQS 8
#define TEST2_THREADS_PER_TASKQ 4
static int
splat_taskq_test2(struct file *file, void *arg) {
taskq_t *tq[TEST2_TASKQS] = { NULL };
@@ -121,7 +125,9 @@ splat_taskq_test2(struct file *file, void *arg) {
splat_vprint(file, SPLAT_TASKQ_TEST2_NAME, "Taskq '%s/%d' "
"creating\n", SPLAT_TASKQ_TEST2_NAME, i);
if ((tq[i] = taskq_create(SPLAT_TASKQ_TEST2_NAME,
1, 0, 0, 0, 0)) == NULL) {
TEST2_THREADS_PER_TASKQ,
maxclsyspri, 50, INT_MAX,
TASKQ_PREPOPULATE)) == NULL) {
splat_vprint(file, SPLAT_TASKQ_TEST2_NAME,
"Taskq '%s/%d' create failed\n",
SPLAT_TASKQ_TEST2_NAME, i);
@@ -139,7 +145,8 @@ splat_taskq_test2(struct file *file, void *arg) {
tq_args[i].name, tq_args[i].id,
sym2str(splat_taskq_test2_func1));
if ((id = taskq_dispatch(
tq[i], splat_taskq_test2_func1, &tq_args[i], 0)) == 0) {
tq[i], splat_taskq_test2_func1,
&tq_args[i], TQ_SLEEP)) == 0) {
splat_vprint(file, SPLAT_TASKQ_TEST2_NAME,
"Taskq '%s/%d' function '%s' dispatch "
"failed\n", tq_args[i].name, tq_args[i].id,
@@ -153,7 +160,8 @@ splat_taskq_test2(struct file *file, void *arg) {
tq_args[i].name, tq_args[i].id,
sym2str(splat_taskq_test2_func2));
if ((id = taskq_dispatch(
tq[i], splat_taskq_test2_func2, &tq_args[i], 0)) == 0) {
tq[i], splat_taskq_test2_func2,
&tq_args[i], TQ_SLEEP)) == 0) {
splat_vprint(file, SPLAT_TASKQ_TEST2_NAME,
"Taskq '%s/%d' function '%s' dispatch failed\n",
tq_args[i].name, tq_args[i].id,