On 2014-10-17 20:34, Karl Beldan wrote:
> From: Karl Beldan <karl.bel...@rivierawaves.com>
>
> ATM an HT rc_stats line is 106 chars.
> Times 8(MCS_GROUP_RATES)*3(SS)*2(GI)*2(BW) + CCK(4), i.e. x100, this is
> well above the current 8192 - sizeof(*ms) currently allocated.
>
> Fix this by squeezing the output as follows (not that we're short on
> memory but this also improves readability and range, the new format adds
> one more digit to *ok/*cum and ok/cum):
>
> - Before (HT) (106 ch):
> type rate throughput ewma prob this prob retry this
> succ/attempt success attempts
> CCK/LP 5.5M 0.0 0.0 0.0 0
> 0( 0) 0 0
> HT20/LGI ABCDP MCS0 0.0 0.0 0.0 1
> 0( 0) 0 0
> - After (75 ch):
> type rate tpt eprob *prob ret *ok(*cum) ok( cum)
> CCK/LP 5.5M 0.0 0.0 0.0 0 0( 0) 0( 0)
> HT20/LGI ABCDP MCS0 0.0 0.0 0.0 1 0( 0) 0( 0)
>
> - Align non-HT format Before (non-HT) (83 ch):
> rate throughput ewma prob this prob this succ/attempt success
> attempts
> ABCDP 6 0.0 0.0 0.0 0( 0) 0
> 0
> 54 0.0 0.0 0.0 0( 0) 0
> 0
> - After (61 ch):
> rate tpt eprob *prob *ok(*cum) ok( cum)
> ABCDP 1 0.0 0.0 0.0 0( 0) 0( 0)
> 54 0.0 0.0 0.0 0( 0) 0( 0)
>
> *This also adds dynamic checks for overflow, lowers the size of the
> non-HT request (allowing > 30 entries) and replaces the buddy-rounded
> allocations (s/sizeof(*ms) + 8192/8192).
>
> Signed-off-by: Karl Beldan <karl.bel...@rivierawaves.com>
> Cc: Felix Fietkau <n...@openwrt.org>
Acked-by: Felix Fietkau <n...@openwrt.org>
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