set CPUSchedulingPolicy=fifo

nohang

@@ -27,7 +27,7 @@ else:
 wait_time = 14
 
 max_sleep_time = 1
-min_sleep_time = 0.05
+min_sleep_time = 0.02
 
 notify_helper_path = '/usr/bin/nohang_notify_helper'
 
@@ -38,8 +38,10 @@ debug = False
 
 
 stop_cont = True
+print_states_debug = False
 
-SC_CLK_TCK = os.sysconf(os.sysconf_names['SC_CLK_TCK'])
+
+# SC_CLK_TCK = os.sysconf(os.sysconf_names['SC_CLK_TCK'])
 
 
 ##########################################################################
@@ -488,27 +490,28 @@ def cont(stopped_list):
 
 
 def print_states():
-    print()
-    t1 = time()
-    print('non-S states:')
-    for pid in os.listdir('/proc'):
-        # only directories whose names consist only of numbers, except /proc/1/
-        if pid[0].isdecimal() is False or pid is '1' or pid == self_pid:
-            continue
-        try:
-            s = pid_to_state(pid)
-            if s == 'S':
+    if print_states_debug:
+        print()
+        t1 = time()
+        print('non-S states:')
+        for pid in os.listdir('/proc'):
+            # only directories whose names consist only of numbers, except /proc/1/
+            if pid[0].isdecimal() is False or pid is '1' or pid == self_pid:
                 continue
-            else:
-                print('State: {}, [{}], {}, {}...'.format(
-                    s, pid, pid_to_name(pid), pid_to_cmdline(pid)[:40]))
-        except FileNotFoundError:
-            continue
-        except ProcessLookupError:
-            continue
-    t2 = time()
-    print('print state time:', t2 - t1)
-    print()
+            try:
+                s = pid_to_state(pid)
+                if s == 'S':
+                    continue
+                else:
+                    print('State: {}, [{}], {}, {}...'.format(
+                        s, pid, pid_to_name(pid), pid_to_cmdline(pid)[:40]))
+            except FileNotFoundError:
+                continue
+            except ProcessLookupError:
+                continue
+        t2 = time()
+        print('print state time:', t2 - t1)
+        print()
 
 
 

nohang.conf

@@ -42,13 +42,13 @@
 
     MemAvailable levels.
 
-mem_min_sigterm = 10%
-mem_min_sigkill = 5%
+mem_min_sigterm = 200M
+mem_min_sigkill = 100M
 
     SwapFree levels.
 
-swap_min_sigterm = 10%
-swap_min_sigkill = 5%
+swap_min_sigterm = 200M
+swap_min_sigkill = 100M
 
     Specifying the total share of zram in memory, if exceeded the
     corresponding signals are sent. As the share of zram in memory
@@ -118,7 +118,7 @@ min_badness = 30
     Valid values are non-negative floating-point numbers.
 
 min_delay_after_sigterm = 0.2
-min_delay_after_sigkill = 0.8
+min_delay_after_sigkill = 1
 
     Процессы браузера chromium обычно имеют oom_score_adj
     200 или 300. Это приводит к тому, что процессы хрома умирают
@@ -132,7 +132,7 @@ min_delay_after_sigkill = 0.8
     Valid values are True and False.
     Values are case sensitive.
 
-decrease_oom_score_adj = False
+decrease_oom_score_adj = True
 
     Valid values are integers from the range [0; 1000].
 
@@ -160,7 +160,7 @@ oom_score_adj_max = 30
 
     Valid values are True and False.
 
-regex_matching = False
+regex_matching = True
 
     Syntax:
 
@@ -184,7 +184,7 @@ regex_matching = False
 
     A good option that allows fine adjustment.
 
-re_match_cmdline = False
+re_match_cmdline = True
 
 @CMDLINE_RE  300 /// -childID|--type=renderer
 
@@ -195,7 +195,7 @@ re_match_cmdline = False
 
     The most slow option
 
-re_match_uid = False
+re_match_uid = True
 
 @UID_RE -100 /// ^0$
 
@@ -215,7 +215,7 @@ re_match_uid = False
 
     Valid values are True and False.
 
-execute_the_command = False
+execute_the_command = True
 
     The length of the process name can't exceed 15 characters.
     The syntax is as follows: lines starting with keyword $ETC are
@@ -258,7 +258,7 @@ $ETC firefox-esr /// kill -SEGV $PID
     See also wiki.archlinux.org/index.php/Desktop_notifications
     Valid values are True and False.
 
-gui_notifications = False
+gui_notifications = True
 
     Enable GUI notifications about the low level of available memory.
     Valid values are True and False.
@@ -268,7 +268,7 @@ gui_low_memory_warnings = False
     Минимальное время между отправками уведомлений в секундах.
     Valid values are floating-point numbers from the range [1; 300].
 
-min_time_between_warnings = 10
+min_time_between_warnings = 15
 
     Если значения MemAvailable и SwapFree одновременно будут ниже
     соотвестствующих значений, то будут отправлены уведомления.
@@ -301,7 +301,7 @@ print_config = False
     Print memory check results.
     Valid values are True and False.
 
-print_mem_check_results = True
+print_mem_check_results = False
 
     Print sleep periods between memory checks.
     Valid values are True and False.

nohang.service

@@ -5,19 +5,18 @@ Documentation=man:nohang(1) https://github.com/hakavlad/nohang
 
 [Service]
 ExecStart=/usr/sbin/nohang
+Slice=nohang.slice
 Restart=always
-RestartSec=1
-IOSchedulingClass=1
-IOSchedulingPriority=0
-Nice=-20
-CPUSchedulingPolicy=rr
-CPUSchedulingPriority=99
-CPUSchedulingResetOnFork=true
 ProtectSystem=strict
 MemoryMax=100M
 TasksMax=100
-OOMScoreAdjust=-20
-Slice=nohang.slice
+OOMScoreAdjust=-10
+Nice=-20
+IOSchedulingClass=1
+IOSchedulingPriority=0
+CPUSchedulingPolicy=fifo
+CPUSchedulingPriority=99
+CPUSchedulingResetOnFork=true
 
 [Install]
 WantedBy=multi-user.target