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scripts/nvmf_perf: add configure_tuned method

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Modify CPU power management settings to achieve high,
consistent results.

Change-Id: I3602ae7523c5b83878238928caaeb453f7d2533e
Signed-off-by: Karol Latecki <karol.latecki@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/6372
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Pawel Piatek <pawelx.piatek@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Reviewed-by: John Kariuki <John.K.Kariuki@intel.com>
Reviewed-by: Michal Berger <michalx.berger@intel.com>
Reviewed-by: Maciej Wawryk <maciejx.wawryk@intel.com>
This commit is contained in:
Karol Latecki 2021-02-04 16:52:17 +01:00 committed by Jim Harris
parent 81ccc81dde
commit 2f9103304f
1 changed files with 49 additions and 0 deletions
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49
scripts/perf/nvmf/run_nvmf.py
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@ -33,6 +33,8 @@ class Server:
self._nics_json_obj = {}
self.svc_restore_dict = {}
self.sysctl_restore_dict = {}
self.tuned_restore_dict = {}
self.tuned_profile = ""
self.enable_adq = False
self.adq_priority = None
@ -40,6 +42,9 @@ class Server:
self.enable_adq = server_config["adq_enable"]
self.adq_priority = 1
if "tuned_profile" in server_config:
self.tuned_profile = server_config["tuned_profile"]
if not re.match("^[A-Za-z0-9]*$", name):
self.log_print("Please use a name which contains only letters or numbers")
sys.exit(1)
@ -83,6 +88,7 @@ class Server:
def configure_system(self):
self.configure_services()
self.configure_sysctl()
self.configure_tuned()
def configure_adq(self):
self.adq_load_modules()
@ -182,6 +188,34 @@ class Server:
self.sysctl_restore_dict.update({opt: self.exec_cmd(["sysctl", "-n", opt]).strip()})
self.log_print(self.exec_cmd(["sudo", "sysctl", "-w", "%s=%s" % (opt, value)]).strip())
def configure_tuned(self):
if not self.tuned_profile:
self.log_print("WARNING: Tuned profile not set in configration file. Skipping configuration.")
return
self.log_print("Configuring tuned-adm profile to %s." % self.tuned_profile)
service = "tuned"
tuned_config = configparser.ConfigParser(strict=False)
out = self.exec_cmd(["sudo", "systemctl", "show", "--no-page", service])
out = "\n".join(["[%s]" % service, out])
tuned_config.read_string(out)
tuned_state = tuned_config[service]["ActiveState"]
self.svc_restore_dict.update({service: tuned_state})
if tuned_state != "inactive":
profile = self.exec_cmd(["cat", "/etc/tuned/active_profile"]).strip()
profile_mode = self.exec_cmd(["cat", "/etc/tuned/profile_mode"]).strip()
self.tuned_restore_dict = {
"profile": profile,
"mode": profile_mode
}
self.exec_cmd(["sudo", "systemctl", "start", service])
self.exec_cmd(["sudo", "tuned-adm", "profile", self.tuned_profile])
self.log_print("Tuned profile set to %s." % self.exec_cmd(["cat", "/etc/tuned/active_profile"]))
def restore_services(self):
self.log_print("Restoring services...")
for service, state in self.svc_restore_dict.items():
@ -193,6 +227,19 @@ class Server:
for opt, value in self.sysctl_restore_dict.items():
self.log_print(self.exec_cmd(["sudo", "sysctl", "-w", "%s=%s" % (opt, value)]).strip())
def restore_tuned(self):
self.log_print("Restoring tuned-adm settings...")
if not self.tuned_restore_dict:
return
if self.tuned_restore_dict["mode"] == "auto":
self.exec_cmd(["sudo", "tuned-adm", "auto_profile"])
self.log_print("Reverted tuned-adm to auto_profile.")
else:
self.exec_cmd(["sudo", "tuned-adm", "profile", self.tuned_restore_dict["profile"]])
self.log_print("Reverted tuned-adm to %s profile." % self.tuned_restore_dict["profile"])
class Target(Server):
def __init__(self, name, general_config, target_config):
@ -1242,9 +1289,11 @@ if __name__ == "__main__":
i.kernel_init_disconnect(i.remote_nic_ips, target_obj.subsys_no)
i.copy_result_files(target_results_dir)
target_obj.restore_tuned()
target_obj.restore_services()
target_obj.restore_sysctl()
for i in initiators:
i.restore_tuned()
i.restore_services()
i.restore_sysctl()
target_obj.parse_results(target_results_dir)