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OpenSuSE 安装bpftrace - 操作系统(内核) - 清泛网移动版 - 专注C/C++及内核技术
...CE_BTF [default: none] BTF file
EXAMPLES:
bpftrace -l '*sleep*'
list probes containing "sleep"
bpftrace -e 'kprobe:do_nanosleep { printf("PID %d sleeping...\n", pid); }'
trace processes calling sleep
bpftrace -e 'tracepoint:raw_syscalls:sys_enter { @[comm] = count(); }...
OpenSuSE 安装bpftrace - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...CE_BTF [default: none] BTF file
EXAMPLES:
bpftrace -l '*sleep*'
list probes containing "sleep"
bpftrace -e 'kprobe:do_nanosleep { printf("PID %d sleeping...\n", pid); }'
trace processes calling sleep
bpftrace -e 'tracepoint:raw_syscalls:sys_enter { @[comm] = count(); }...
Why invoke Thread.currentThread.interrupt() in a catch InterruptException block?
...things a bit clear.
The class which does the job :
public class InterruptedSleepingRunner implements Runnable {
@Override
public void run() {
doAPseudoHeavyWeightJob();
}
private void doAPseudoHeavyWeightJob() {
for (int i = 0; i < Integer.MAX_VALUE; i++) {
...
windows service vs scheduled task
...fter you have written all of that, you think, why didn't I just use Thread.Sleep? That allows me to let the current thread keep running until it has finished and then the pause interval kicks in, thread goes to sleep and kicks off again after the required time. Neat!
Then you then read all the advi...
Is Disney's FastPass Valid and/or Useful Queue Theory
...ng visitors with some kind of priority queue. They don't block, they don't sleep, they spend money. It works because john uses it at 11:00 AM, joe uses it at 11:15 AM (or 11:01 am). Now, if everyone had a fast pass, the regular line would be much faster while most visitors spent more money on food a...
What is “thread local storage” in Python, and why do I need it?
...
Consider the following code:
#/usr/bin/env python
from time import sleep
from random import random
from threading import Thread, local
data = local()
def bar():
print("I'm called from", data.v)
def foo():
bar()
class T(Thread):
def run(self):
sleep(random())
d...
How to make a Java thread wait for another thread's output?
... call() throws Exception {
print("One...");
Thread.sleep(6000);
print("One!!");
return 100;
}
}
public class Two implements Callable<String> {
public String call() throws Exception {
print("Two...");
...
How to make a Python script run like a service or daemon in Linux
... event loop (where your events are timer triggering, possibly, provided by sleep function).
I wouldn't recommend you to choose 2., because you would be, in fact, repeating cron functionality. The Linux system paradigm is to let multiple simple tools interact and solve your problems. Unless there...
Measure and Benchmark Time for Ruby Methods
...end
# t1 and t2 is the executing time for the code blocks.
t1 = measure { sleep(1) }
t2 = measure do
sleep(2)
end
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实现一个简单的服务端推方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术
... ngx.exit(ngx.HTTP_OK);
end
ngx.sleep(1);
end
ngx.say("YES");
ngx.exit(ngx.HTTP_OK);
';
}
...
}
注：为了处理服务端不知道客户端何时断开连接的情况，代码中引入超时...