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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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11b2357d5d
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.beldan@rivierawaves.com>
Acked-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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