From 56dba22b7dc1c41ff7dca6593080a99bcca74b5c Mon Sep 17 00:00:00 2001 From: David Hildenbrand Date: Tue, 24 Feb 2015 14:15:26 +0100 Subject: [PATCH] s390x/kvm: trace all SIGP orders This patch adds tracing code for all SIGP orders (including the destination vcpu and the resulting condition code). Reviewed-by: Thomas Huth Reviewed-by: Cornelia Huck Signed-off-by: Jens Freimann Signed-off-by: David Hildenbrand Message-Id: <1424783731-43426-6-git-send-email-jfrei@linux.vnet.ibm.com> Signed-off-by: Christian Borntraeger --- target-s390x/kvm.c | 4 +++- trace-events | 1 + 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/target-s390x/kvm.c b/target-s390x/kvm.c index 28d26c1996..c4c867c00f 100644 --- a/target-s390x/kvm.c +++ b/target-s390x/kvm.c @@ -1131,7 +1131,6 @@ static void sigp_start(void *arg) s390_cpu_set_state(CPU_STATE_OPERATING, si->cpu); si->cc = SIGP_CC_ORDER_CODE_ACCEPTED; - DPRINTF("DONE: KVM cpu start: %p\n", &si->cpu->env); } static void sigp_restart(void *arg) @@ -1247,6 +1246,9 @@ static int handle_sigp(S390CPU *cpu, struct kvm_run *run, uint8_t ipa1) ret = handle_sigp_single_dst(dst_cpu, order, param, status_reg); } + trace_kvm_sigp_finished(order, CPU(cpu)->cpu_index, + dst_cpu ? CPU(dst_cpu)->cpu_index : -1, ret); + if (ret >= 0) { setcc(cpu, ret); return 0; diff --git a/trace-events b/trace-events index 4ac588c275..30eba926c4 100644 --- a/trace-events +++ b/trace-events @@ -1581,6 +1581,7 @@ mhp_pc_dimm_assigned_address(uint64_t addr) "0x%"PRIx64 kvm_enable_cmma(int rc) "CMMA: enabling with result code %d" kvm_clear_cmma(int rc) "CMMA: clearing with result code %d" kvm_failed_cpu_state_set(int cpu_index, uint8_t state, const char *msg) "Warning: Unable to set cpu %d state %" PRIu8 " to KVM: %s" +kvm_sigp_finished(uint8_t order, int cpu_index, int dst_index, int cc) "SIGP: Finished order %u on cpu %d -> cpu %d with cc=%d" # hw/dma/i8257.c i8257_unregistered_dma(int nchan, int dma_pos, int dma_len) "unregistered DMA channel used nchan=%d dma_pos=%d dma_len=%d" -- 2.11.4.GIT