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ihk_os_getperfevent,setperfevent: Timeout IKC sent by mcctrl

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Report timeout when McKernel doesn't respond to prevent the caller
from waiting forever.

Refs: #1167
Change-Id: I8bd87e43aafffdd0952198224e44195af4368883
This commit is contained in:
Masamichi Takagi
2018-08-20 17:47:47 +09:00
committed by Dominique Martinet
parent affe3e9010
commit 802b1ac14b
1 changed files with 4 additions and 2 deletions
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6
executer/kernel/mcctrl/control.c
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@@ -2012,7 +2012,8 @@ long mcctrl_perf_set(ihk_os_t os, struct ihk_perf_event_attr *__user arg)
isp.arg = virt_to_phys(perf_desc); isp.arg = virt_to_phys(perf_desc);
for (j = 0; j < info->n_cpus; j++) { for (j = 0; j < info->n_cpus; j++) {
ret = mcctrl_ikc_send_wait(os, j, &isp, 0, ret = mcctrl_ikc_send_wait(os, j, &isp,
msecs_to_jiffies(10000),
wakeup_desc_of_perf_desc(perf_desc), wakeup_desc_of_perf_desc(perf_desc),
&need_free, 1, perf_desc); &need_free, 1, perf_desc);
if (ret < 0) { if (ret < 0) {
@@ -2057,7 +2058,8 @@ long mcctrl_perf_get(ihk_os_t os, unsigned long *__user arg)
isp.arg = virt_to_phys(perf_desc); isp.arg = virt_to_phys(perf_desc);
for (j = 0; j < info->n_cpus; j++) { for (j = 0; j < info->n_cpus; j++) {
ret = mcctrl_ikc_send_wait(os, j, &isp, 0, ret = mcctrl_ikc_send_wait(os, j, &isp,
msecs_to_jiffies(10000),
wakeup_desc_of_perf_desc(perf_desc), wakeup_desc_of_perf_desc(perf_desc),
&need_free, 1, perf_desc); &need_free, 1, perf_desc);
if (ret < 0) { if (ret < 0) {