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  1. No. It\'s platform-specific. The TSC can change frequency on some (P4-era) processors and has historically not been synchronized between cores (some modern CPUs ...
    stackoverflow.com/.../so-timestamp-for-​tsc-not-timeval - Cached
  2. SO_TIMESTAMP for tsc not timeval? 22 weeks 5 days ago. As can be seen in the socket man page, one can use SO_TIMESTAMP with setsockopt to measure the amount of time ...
    www.linuxine.com/story/asynchronous-io-​network-socket... - Cached
  3. ... > I\'ll try to write up a patch that uses the TSC and lazy conversion > to timeval as soon as I get ... by fast_timestamp_to_timeval() ... not to overflow for at ...
    lwn.net/Articles/61269 - Cached
  4. And it\'s by no means just SO_TIMESTAMP that ... It is defined that the timeval given by fast_timestamp_to_timeval() ... Platforms with inter-cpu TSC ...
    oss.sgi.com/archives/netdev/2003-10/​msg00809.html - Cached
  5. Using the SO_TIMESTAMP option to setsockopt ... the kernel returns an extra struct timeval to the recvmsg() ... ~$ ./send-data Not all * required parameters were ...
    vilimpoc.org/research/ku-latency - Cached
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  6. ... (TSC) register of the ... after conversion to timeval, MUST NOT be less than 1 jiffy. ... Some callers may immediately convert the timestamp to a timeval, ...
    www.elinux.org/Timing_APISpecification - Cached
  7. SO_SNDTIMEO and SO_RCVTIMEO use a struct timeval ... for input SO_TIMESTAMP enables reception of a ... does not allow the smaller ...
    www.daemon-systems.org/man/​getsockopt.2.html - Cached
  8. ... (CONFIG_FAST_TIMESTAMPS) +# if !defined(CONFIG_X86_TSC) +# warning TSC support not configured into kernel ... static inline void +timestamp_to_timeval ...
    elinux.org/images/0/0f/DecPatches-fast-​timestamps-04.12...
  9. Another value since if someone turns on SO_TIMESTAMP they want usec (timeval) ... flags would be not allowed. - original - If the SO_TIMESTAMP option is enabled on a ...
    lkml.indiana.edu/hypermail/linux/net/​0703.0/0009.html - Cached
  10. I am not a very good unix programmer. I\'m trying to get timestamps for. ... == SO_TIMESTAMP) {tv = (struct timeval *) CMSG_DATA(cmsg); ts = tv->tv_sec*1000000;
    unix-linux.itags.org/q_unix-linux-​programming_83786.html - Cached