On Wed, Oct 25, 2017 at 11:46:05PM +0200, Mike Belopuhov wrote: > On Wed, Oct 25, 2017 at 21:56 +0200, Claudio Jeker wrote: > > On Wed, Oct 25, 2017 at 01:39:35PM -0600, Todd C. Miller wrote: > > > On Wed, 25 Oct 2017 19:46:56 +0200, Mike Belopuhov wrote: > > > > > > > I think we can extend this by adding an additional number for the > > > > upper boundary (kern.maxclusters), like so: > > > > > > > > saru:usr.bin/netstat% ./obj/netstat -m > > > > 539 mbufs in use: > > > > 385 mbufs allocated to data > > > > 13 mbufs allocated to packet headers > > > > 141 mbufs allocated to socket names and addresses > > > > 19/144 mbuf 2048 byte clusters in use (current/peak) > > > > 0/45 mbuf 2112 byte clusters in use (current/peak) > > > > 256/312 mbuf 4096 byte clusters in use (current/peak) > > > > 0/48 mbuf 8192 byte clusters in use (current/peak) > > > > 0/28 mbuf 9216 byte clusters in use (current/peak) > > > > 0/40 mbuf 12288 byte clusters in use (current/peak) > > > > 0/40 mbuf 16384 byte clusters in use (current/peak) > > > > 0/40 mbuf 65536 byte clusters in use (current/peak) > > > > 5876 out of 524288 Kbytes allocated to network (20% in use) > > > > 0 requests for memory denied > > > > 0 requests for memory delayed > > > > 0 calls to protocol drain routines > > > > > > That's definitely an improvement. OK millert@ > > > > > > > The math for the percentage in use is doing something different at least > > 20% of 524288 is not 5876. AFAIK the percentage is calculated against the > > pool size and not the maximum size. > > Correct and I didn't say otherwise. I wrote: > > This shows how much backing memory has been allocated by all cluster > pools from the UVM and percentage of how much of it has been taken > out by pool_get operations. > > It's 20% of 5876K that is in use. > > > Would be great if netstat could show the current and peak memory usage. > > > > Current is 5876. Maximum is 524288. Do you want to display them in > the x/y/z format? > > 5876/xxxx/524288 Kbytes allocated to network, 20% in use (current/peak/max) > > Something like this? Any other ideas?
I think that would be an improvement. I normally look for peak values. The current is normally not interesting when tuning systems. Maybe we can even drop the use percentage since it more confusing than anything. -- :wq Claudio
