fix psi-top
This commit is contained in:
Alexey Avramov
parent
2981ecd95c
commit
77da0efb9a
@ -1,51 +1,82 @@
|
||||
#!/usr/bin/env python3
|
||||
|
||||
from time import sleep, time
|
||||
import os
|
||||
from sys import stdout
|
||||
|
||||
mlockall = True
|
||||
|
||||
if mlockall:
|
||||
from ctypes import CDLL
|
||||
CDLL('libc.so.6').mlockall(3)
|
||||
from time import sleep
|
||||
from sys import argv
|
||||
|
||||
"""
|
||||
Execute the command
|
||||
find /sys/fs/cgroup -name memory.pressure
|
||||
to find available memory.pressue files (except /proc/pressure/memory).
|
||||
(actual for cgroup2)
|
||||
"""
|
||||
|
||||
if len(argv) > 1:
|
||||
psi_path = argv[1]
|
||||
else:
|
||||
psi_path = '/proc/pressure/memory'
|
||||
|
||||
psi_support = os.path.exists(psi_path)
|
||||
|
||||
def rline1(path):
|
||||
"""read 1st line from path."""
|
||||
with open(path) as f:
|
||||
for line in f:
|
||||
return line[:-1]
|
||||
def mlockall():
|
||||
|
||||
def psi_mem_some_avg_total():
|
||||
return float(rline1(psi_path).rpartition('=')[2])
|
||||
MCL_CURRENT = 1
|
||||
MCL_FUTURE = 2
|
||||
MCL_ONFAULT = 4
|
||||
|
||||
avg_min_time = 1
|
||||
libc = CDLL('libc.so.6', use_errno=True)
|
||||
|
||||
if psi_support:
|
||||
ta0 = time()
|
||||
a0 = psi_mem_some_avg_total()
|
||||
result = libc.mlockall(
|
||||
MCL_CURRENT | MCL_FUTURE | MCL_ONFAULT
|
||||
)
|
||||
if result != 0:
|
||||
result = libc.mlockall(
|
||||
MCL_CURRENT | MCL_FUTURE
|
||||
)
|
||||
if result != 0:
|
||||
print('WARNING: cannot lock all memory')
|
||||
else:
|
||||
pass
|
||||
else:
|
||||
pass
|
||||
|
||||
|
||||
mlockall()
|
||||
|
||||
|
||||
def psi_path_to_metrics(psi_path):
|
||||
|
||||
with open(psi_path) as f:
|
||||
psi_list = f.readlines()
|
||||
# print(psi_list)
|
||||
some_list, full_list = psi_list[0].split(' '), psi_list[1].split(' ')
|
||||
#print(some_list, full_list)
|
||||
some_avg10 = some_list[1].split('=')[1]
|
||||
some_avg60 = some_list[2].split('=')[1]
|
||||
some_avg300 = some_list[3].split('=')[1]
|
||||
|
||||
full_avg10 = full_list[1].split('=')[1]
|
||||
full_avg60 = full_list[2].split('=')[1]
|
||||
full_avg300 = full_list[3].split('=')[1]
|
||||
|
||||
return (some_avg10, some_avg60, some_avg300,
|
||||
full_avg10, full_avg60, full_avg300)
|
||||
|
||||
|
||||
print('Path to PSI file: {}\n'.format(psi_path))
|
||||
|
||||
|
||||
print(' avg10 avg60 avg300 avg10 avg60 avg300')
|
||||
|
||||
while True:
|
||||
(some_avg10, some_avg60, some_avg300,
|
||||
full_avg10, full_avg60, full_avg300) = psi_path_to_metrics(psi_path)
|
||||
|
||||
if psi_support:
|
||||
print('some {} {} {} | full {} {} {}'.format(
|
||||
some_avg10.rjust(6),
|
||||
some_avg60.rjust(6),
|
||||
some_avg300.rjust(6),
|
||||
full_avg10.rjust(6),
|
||||
full_avg60.rjust(6),
|
||||
full_avg300.rjust(6)))
|
||||
|
||||
ta1= time()
|
||||
dt = ta1 - ta0
|
||||
|
||||
if dt >= avg_min_time:
|
||||
|
||||
a1 = psi_mem_some_avg_total()
|
||||
avg = (a1 - a0) / (ta1 - ta0) / 10000
|
||||
|
||||
print('avg time:', round(dt, 1))
|
||||
print('PSI mem avg:', round(avg, 2))
|
||||
print(rline1(psi_path), '\n')
|
||||
ta0 = ta1
|
||||
a0 = a1
|
||||
|
||||
stdout.flush()
|
||||
sleep(0.1)
|
||||
sleep(2)
|
||||
|
||||
51
trash/psi-monitor-old
Executable file
51
trash/psi-monitor-old
Executable file
@ -0,0 +1,51 @@
|
||||
#!/usr/bin/env python3
|
||||
|
||||
from time import sleep, time
|
||||
import os
|
||||
from sys import stdout
|
||||
|
||||
mlockall = True
|
||||
|
||||
if mlockall:
|
||||
from ctypes import CDLL
|
||||
CDLL('libc.so.6').mlockall(3)
|
||||
|
||||
psi_path = '/proc/pressure/memory'
|
||||
|
||||
psi_support = os.path.exists(psi_path)
|
||||
|
||||
def rline1(path):
|
||||
"""read 1st line from path."""
|
||||
with open(path) as f:
|
||||
for line in f:
|
||||
return line[:-1]
|
||||
|
||||
def psi_mem_some_avg_total():
|
||||
return float(rline1(psi_path).rpartition('=')[2])
|
||||
|
||||
avg_min_time = 1
|
||||
|
||||
if psi_support:
|
||||
ta0 = time()
|
||||
a0 = psi_mem_some_avg_total()
|
||||
|
||||
while True:
|
||||
|
||||
if psi_support:
|
||||
|
||||
ta1= time()
|
||||
dt = ta1 - ta0
|
||||
|
||||
if dt >= avg_min_time:
|
||||
|
||||
a1 = psi_mem_some_avg_total()
|
||||
avg = (a1 - a0) / (ta1 - ta0) / 10000
|
||||
|
||||
print('avg time:', round(dt, 1))
|
||||
print('PSI mem avg:', round(avg, 2))
|
||||
print(rline1(psi_path), '\n')
|
||||
ta0 = ta1
|
||||
a0 = a1
|
||||
|
||||
stdout.flush()
|
||||
sleep(0.1)
|
||||
@ -1,8 +1,8 @@
|
||||
#!/usr/bin/env python3
|
||||
|
||||
from ctypes import CDLL
|
||||
from time import sleep
|
||||
from sys import argv
|
||||
from time import sleep, time
|
||||
import os
|
||||
|
||||
"""
|
||||
Execute the command
|
||||
@ -11,12 +11,8 @@ from sys import argv
|
||||
(actual for cgroup2)
|
||||
"""
|
||||
|
||||
if len(argv) > 1:
|
||||
psi_path = argv[1]
|
||||
else:
|
||||
psi_path = '/proc/pressure/memory'
|
||||
|
||||
|
||||
def mlockall():
|
||||
|
||||
MCL_CURRENT = 1
|
||||
@ -42,6 +38,7 @@ def mlockall():
|
||||
|
||||
mlockall()
|
||||
|
||||
t0 = time()
|
||||
|
||||
def psi_path_to_metrics(psi_path):
|
||||
|
||||
@ -62,21 +59,75 @@ def psi_path_to_metrics(psi_path):
|
||||
full_avg10, full_avg60, full_avg300)
|
||||
|
||||
|
||||
print('Path to PSI file: {}\n'.format(psi_path))
|
||||
|
||||
def cgroup2_root():
|
||||
"""
|
||||
"""
|
||||
with open('/proc/mounts') as f:
|
||||
for line in f:
|
||||
if ' cgroup2 ' in line:
|
||||
# if line.startswith('cgroup2 '):
|
||||
return line[7:].rpartition(' cgroup2 ')[0]
|
||||
|
||||
|
||||
print(' avg10 avg60 avg300 avg10 avg60 avg300')
|
||||
def get_psi_mem_files(cgroup2_path):
|
||||
"""
|
||||
"""
|
||||
|
||||
while True:
|
||||
(some_avg10, some_avg60, some_avg300,
|
||||
full_avg10, full_avg60, full_avg300) = psi_path_to_metrics(psi_path)
|
||||
path_list = []
|
||||
|
||||
print('some {} {} {} | full {} {} {}'.format(
|
||||
for root, dirs, files in os.walk(cgroup2_path):
|
||||
for file in files:
|
||||
path = os.path.join(root, file)
|
||||
if path.endswith('/memory.pressure'): #############
|
||||
path_list.append(path)
|
||||
|
||||
return path_list
|
||||
|
||||
|
||||
def psi_path_to_cgroup2(path):
|
||||
"""
|
||||
"""
|
||||
return path.partition(i)[2][:-16]
|
||||
|
||||
|
||||
i = cgroup2_root()
|
||||
|
||||
print('cgroup2 root dir:', i)
|
||||
if i is not None:
|
||||
y = get_psi_mem_files(i)
|
||||
for path in y:
|
||||
pass # print(psi_path_to_cgroup2(path))
|
||||
|
||||
path_list = get_psi_mem_files(i)
|
||||
|
||||
print(' avg10 avg60 avg300 avg10 avg60 avg300 cgroup2')
|
||||
|
||||
print(' ----- ----- ------ ----- ----- ------ ---------')
|
||||
|
||||
(some_avg10, some_avg60, some_avg300, full_avg10, full_avg60, full_avg300) = psi_path_to_metrics('/proc/pressure/memory')
|
||||
print('some {} {} {} | full {} {} {} {}'.format(
|
||||
some_avg10.rjust(6),
|
||||
some_avg60.rjust(6),
|
||||
some_avg300.rjust(6),
|
||||
full_avg10.rjust(6),
|
||||
full_avg60.rjust(6),
|
||||
full_avg300.rjust(6)))
|
||||
full_avg300.rjust(6), '[SYSTEM]'))
|
||||
|
||||
|
||||
for psi_path in path_list:
|
||||
(some_avg10, some_avg60, some_avg300,
|
||||
full_avg10, full_avg60, full_avg300) = psi_path_to_metrics(psi_path)
|
||||
|
||||
print('some {} {} {} | full {} {} {} {}'.format(
|
||||
some_avg10.rjust(6),
|
||||
some_avg60.rjust(6),
|
||||
some_avg300.rjust(6),
|
||||
full_avg10.rjust(6),
|
||||
full_avg60.rjust(6),
|
||||
full_avg300.rjust(6), psi_path_to_cgroup2(psi_path)))
|
||||
|
||||
|
||||
print(time() - t0)
|
||||
|
||||
|
||||
sleep(2)
|
||||
|
||||
117
trash/pt02
117
trash/pt02
@ -1,117 +0,0 @@
|
||||
#!/usr/bin/env python3
|
||||
|
||||
from ctypes import CDLL
|
||||
from time import sleep
|
||||
import os
|
||||
|
||||
"""
|
||||
Execute the command
|
||||
find /sys/fs/cgroup -name memory.pressure
|
||||
to find available memory.pressue files (except /proc/pressure/memory).
|
||||
(actual for cgroup2)
|
||||
|
||||
|
||||
|
||||
"""
|
||||
|
||||
psi_path = '/proc/pressure/memory'
|
||||
|
||||
|
||||
|
||||
def mlockall():
|
||||
|
||||
MCL_CURRENT = 1
|
||||
MCL_FUTURE = 2
|
||||
MCL_ONFAULT = 4
|
||||
|
||||
libc = CDLL('libc.so.6', use_errno=True)
|
||||
|
||||
result = libc.mlockall(
|
||||
MCL_CURRENT | MCL_FUTURE | MCL_ONFAULT
|
||||
)
|
||||
if result != 0:
|
||||
result = libc.mlockall(
|
||||
MCL_CURRENT | MCL_FUTURE
|
||||
)
|
||||
if result != 0:
|
||||
print('WARNING: cannot lock all memory')
|
||||
else:
|
||||
pass
|
||||
else:
|
||||
pass
|
||||
|
||||
|
||||
mlockall()
|
||||
|
||||
|
||||
def psi_path_to_metrics(psi_path):
|
||||
|
||||
with open(psi_path) as f:
|
||||
psi_list = f.readlines()
|
||||
# print(psi_list)
|
||||
some_list, full_list = psi_list[0].split(' '), psi_list[1].split(' ')
|
||||
#print(some_list, full_list)
|
||||
some_avg10 = some_list[1].split('=')[1]
|
||||
some_avg60 = some_list[2].split('=')[1]
|
||||
some_avg300 = some_list[3].split('=')[1]
|
||||
|
||||
full_avg10 = full_list[1].split('=')[1]
|
||||
full_avg60 = full_list[1].split('=')[1]
|
||||
full_avg300 = full_list[1].split('=')[1]
|
||||
|
||||
return (some_avg10, some_avg60, some_avg300,
|
||||
full_avg10, full_avg60, full_avg300)
|
||||
|
||||
|
||||
|
||||
(some_avg10, some_avg60, some_avg300, full_avg10, full_avg60, full_avg300
|
||||
) = psi_path_to_metrics(psi_path)
|
||||
|
||||
def cgroup2_root():
|
||||
"""
|
||||
"""
|
||||
with open('/proc/mounts') as f:
|
||||
for line in f:
|
||||
if line.startswith('cgroup2 '):
|
||||
return line[7:].rpartition(' cgroup2 ')[0]
|
||||
|
||||
|
||||
|
||||
|
||||
i = cgroup2_root()
|
||||
|
||||
|
||||
print(i)
|
||||
|
||||
def get_psi_mem_files(cgroup2_path):
|
||||
"""
|
||||
"""
|
||||
|
||||
path_list = []
|
||||
|
||||
for root, dirs, files in os.walk(cgroup2_path):
|
||||
for file in files:
|
||||
path = os.path.join(root, file)
|
||||
if path.endswith('/memory.pressure'):
|
||||
path_list.append(path)
|
||||
|
||||
return path_list
|
||||
|
||||
|
||||
if i is not None:
|
||||
print(get_psi_mem_files(i))
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user