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cuda: unlock on timeout error #2469

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merged 1 commit into from
Aug 17, 2024
Merged

cuda: unlock on timeout error #2469

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16 changes: 11 additions & 5 deletions plugins/cuda/cuda_plugin.c
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@
#include "cr_options.h"
#include "pid.h"
#include "proc_parse.h"
#include "seize.h"

#include <common/list.h>
#include <compel/infect.h>
Expand Down Expand Up @@ -379,18 +380,23 @@ int cuda_plugin_pause_devices(int pid)
int status = cuda_process_checkpoint_action(pid, ACTION_LOCK, opts.timeout * 1000, msg_buf, sizeof(msg_buf));
if (status) {
pr_err("PAUSE_DEVICES failed with %s\n", msg_buf);
if (alarm_timeouted())
goto unlock;
return -1;
}

if (add_pid_to_buf(&cuda_pids, pid)) {
pr_err("unable to track paused pid %d\n", pid);
status = cuda_process_checkpoint_action(pid, ACTION_UNLOCK, 0, msg_buf, sizeof(msg_buf));
if (status) {
pr_err("Failed to unlock process status %s, pid %d may hang\n", msg_buf, pid);
}
return -1;
goto unlock;
}

return 0;
unlock:
status = cuda_process_checkpoint_action(pid, ACTION_UNLOCK, 0, msg_buf, sizeof(msg_buf));
if (status) {
pr_err("Failed to unlock process status %s, pid %d may hang\n", msg_buf, pid);
}
return -1;
}
CR_PLUGIN_REGISTER_HOOK(CR_PLUGIN_HOOK__PAUSE_DEVICES, cuda_plugin_pause_devices)

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