Re: socket file descriptor a/m/c-timestamps broken in <= 3.8.8?

2013-04-23 Thread Felix Becker
Hi, thank you for that info. Can you tell which mailing list the right one for this issue is? Felix On 04/23/2013 02:37 AM, Eric Dumazet wrote: > On Tue, 2013-04-23 at 00:30 +, Eric Wong wrote: >> Cc:-ing netdev (no comments of my own) >> >> Felix Becker wrote: >&g

socket file descriptor a/m/c-timestamps broken in <= 3.8.8?

2013-04-22 Thread Felix Becker
Hi, I tried to figure out how old my TCP connections are and took a look at /proc//fd/ using 'ls -la' / 'stat'. When I'm creating a new socket in my application, the time stamps returned by stat / ls -la are correct - as expected. After closing the socket, the fd isn't visible in /proc//fd anymor

L1-icache-loads statistics on i7 2600k?

2013-04-18 Thread Felix Becker
Hi, i'm trying to trace the caching behaviour of one of my applications using the "perf" tool. On my i7 Q 820 i can see the l1 instruction cache loads using "perf stat -e L1-icache-loads" On my i7-2600k i'm getting " L1-icache-loads" Tracing the following events works fine: L1-dcache-loads L1-dc