Difference between revisions of "Futex"
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[[wikipedia:futex]], fast userspace [[mutex]] | [[wikipedia:futex]], fast userspace [[mutex]] | ||
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| + | [[strace]] -c -f -p 1234 | ||
| + | {{strace example}} | ||
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| + | == Related == | ||
| + | * <code>[[system call]]</code> | ||
==See also== | ==See also== | ||
| − | *{{thread}} | + | * {{thread}} |
| + | * {{syscall}} | ||
[[Category:Thread]] | [[Category:Thread]] | ||
Latest revision as of 07:52, 24 March 2023
wikipedia:futex, fast userspace mutex
strace -c -f -p 1234 .../... % time seconds usecs/call calls errors syscall ------ ----------- ----------- --------- --------- ---------------- 63.56 0.032899 539 61 13 futex 17.62 0.009118 217 42 epoll_pwait 11.48 0.005944 104 57 nanosleep 3.15 0.001628 11 142 madvise 1.07 0.000553 79 7 read 0.87 0.000452 64 7 write 0.72 0.000374 374 1 1 restart_syscall 0.59 0.000307 51 6 sched_yield 0.56 0.000291 145 2 getpid 0.36 0.000184 92 2 rt_sigreturn 0.01 0.000007 3 2 tgkill ------ ----------- ----------- --------- --------- ---------------- 100.00 0.051757 329 14 total
Related[edit]
See also[edit]
process, thread, NLWP, context switchsar -w, Multitasking, Native POSIX Thread Library (NPTL), POSIX Threads, Grand Central Dispatch (GCD or libdispatch),mutex, futex- syscall, Dtruss,
fork, Fork bomb
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