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Commit 25ef231d authored by Will Schmidt's avatar Will Schmidt Committed by Benjamin Herrenschmidt
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powerpc/pseries: Hypervisor call tracepoints hcall_stats touchup 



The tb_total and purr_total values reported via the hcall_stats code
should be cumulative, rather than being replaced by the latest delta tb
or purr value.

Tested-by: default avatarWill Schmidt <will_schmidt@vnet.ibm.com>
Signed-off-by: default avatarWill Schmidt <will_schmidt@vnet.ibm.com>
Acked-by: default avatarAnton Blanchard <anton@samba.org>
Signed-off-by: default avatarBenjamin Herrenschmidt <benh@kernel.crashing.org>
parent efec959f

arch/powerpc/platforms/pseries/hvCall_inst.c

+2 −2
Original line number Diff line number Diff line
@@ -124,8 +124,8 @@ static void probe_hcall_exit(unsigned long opcode, unsigned long retval, 


	h = &__get_cpu_var(hcall_stats)[opcode / 4];

	h->num_calls++;

	h->tb_total = mftb() - h->tb_start;

	h->purr_total = mfspr(SPRN_PURR) - h->purr_start;

	h->tb_total += mftb() - h->tb_start;

	h->purr_total += mfspr(SPRN_PURR) - h->purr_start;



	put_cpu_var(hcall_stats);

}