Adding upstream version 18.2.2.upstream/18.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 42 insertions, 0 deletions

diff --git a/src/spdk/scripts/perf/nvmf/common.py b/src/spdk/scripts/perf/nvmf/common.py
new file mode 100644
index 000000000..8c0d435f3
--- /dev/null
+++ b/src/spdk/scripts/perf/nvmf/common.py
@@ -0,0 +1,42 @@
+import os
+import re
+import json
+from itertools import product, chain
+from subprocess import check_output, Popen
+
+
+def get_used_numa_nodes():
+    used_numa_nodes = set()
+    for bdf in get_nvme_devices_bdf():
+        with open("/sys/bus/pci/devices/%s/numa_node" % bdf, "r") as numa_file:
+            output = numa_file.read()
+        used_numa_nodes.add(int(output))
+    return used_numa_nodes
+
+
+def get_nvme_devices_count():
+    output = get_nvme_devices_bdf()
+    return len(output)
+
+
+def get_nvme_devices_bdf():
+    print("Getting BDFs for NVMe section")
+    output = check_output("rootdir=$PWD; \
+                          source test/common/autotest_common.sh; \
+                          get_nvme_bdfs 01 08 02",
+                          executable="/bin/bash", shell=True)
+    output = [str(x, encoding="utf-8") for x in output.split()]
+    print("Done getting BDFs")
+    return output
+
+
+def get_nvme_devices():
+    print("Getting kernel NVMe names")
+    output = check_output("lsblk -o NAME -nlp", shell=True).decode(encoding="utf-8")
+    output = [x for x in output.split("\n") if "nvme" in x]
+    print("Done getting kernel NVMe names")
+    return output
+
+
+def nvmet_command(nvmet_bin, command):
+    return check_output("%s %s" % (nvmet_bin, command), shell=True).decode(encoding="utf-8")