rohityadavcloud commented on code in PR #6399:
URL: https://github.com/apache/cloudstack/pull/6399#discussion_r877878361
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plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/resource/LibvirtComputingResource.java:
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@@ -2949,6 +2949,33 @@ private KVMPhysicalDisk
getPhysicalDiskPrimaryStore(PrimaryDataStoreTO primaryDa
return storagePool.getPhysicalDisk(data.getPath());
}
+ /**
+ * Check if IO_URING is supported by qemu
+ */
+ protected boolean isIoUringSupportedByQemu() {
+ s_logger.debug("Checking if iouring is supported");
+ String command = getIoUringCheckCommand();
+ if (org.apache.commons.lang3.StringUtils.isBlank(command)) {
+ s_logger.debug("Could not check iouring support, disabling it");
+ return false;
+ }
+ int exitValue = executeBashScriptAndRetrieveExitValue(command);
+ return exitValue == 0;
+ }
+
+ protected String getIoUringCheckCommand() {
+ String[] qemuPaths = {"/usr/bin/qemu-system-x86_64",
"/usr/libexec/qemu-kvm", "/usr/bin/qemu-kvm" };
+ for (String qemuPath : qemuPaths) {
+ File file = new File(qemuPath);
+ if (file.exists()) {
+ String cmd = String.format("ldd %s | grep -Eqe
'[[:space:]]liburing\\.so'", qemuPath);
Review Comment:
is this reliable @nvazquez cc others?
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