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mcctrl_perf_get: check os instance & cpu info

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Change-Id: Ic4f9d818b7d58f8ae651e43175fb1c478baec9c1
This commit is contained in:
tinhnt86
2020-10-08 18:46:32 +07:00
committed by Masamichi Takagi
parent 3e927f61dc
commit b510de7bd5
1 changed files with 12 additions and 2 deletions
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14
executer/kernel/mcctrl/control.c
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@ -2290,20 +2290,30 @@ long mcctrl_perf_set(ihk_os_t os, struct ihk_perf_event_attr *__user arg)
long mcctrl_perf_get(ihk_os_t os, unsigned long *__user arg) long mcctrl_perf_get(ihk_os_t os, unsigned long *__user arg)
{ {
struct mcctrl_usrdata *usrdata = ihk_host_os_get_usrdata(os); struct mcctrl_usrdata *usrdata = NULL;
struct ikc_scd_packet isp; struct ikc_scd_packet isp;
struct perf_ctrl_desc *perf_desc; struct perf_ctrl_desc *perf_desc;
struct ihk_cpu_info *info = ihk_os_get_cpu_info(os); struct ihk_cpu_info *info = NULL;
unsigned long value_sum = 0; unsigned long value_sum = 0;
int ret = 0; int ret = 0;
int i = 0, j = 0; int i = 0, j = 0;
int need_free; int need_free;
if (!os || ihk_host_validate_os(os)) {
return -EINVAL;
}
usrdata = ihk_host_os_get_usrdata(os);
if (!usrdata) { if (!usrdata) {
pr_err("%s: error: mcctrl_usrdata not found\n", __func__); pr_err("%s: error: mcctrl_usrdata not found\n", __func__);
return -EINVAL; return -EINVAL;
} }
info = ihk_os_get_cpu_info(os);
if (!info || info->n_cpus < 1) {
return -EINVAL;
}
for (i = 0; i < usrdata->perf_event_num; i++) { for (i = 0; i < usrdata->perf_event_num; i++) {
perf_desc = kmalloc(sizeof(struct mcctrl_perf_ctrl_desc), perf_desc = kmalloc(sizeof(struct mcctrl_perf_ctrl_desc),
GFP_KERNEL); GFP_KERNEL);