Skip to contentSkip to conversation

Enable KVM TRACE support for PowerPC

PATCH Applied Jerone Young 2 participants 5 messages Jun 20, 2008 – Jun 23, 2008 KVM

lore
Share & tools
lore
#0 lore raw

PATCH 1/1 Enable KVM TRACE support for PowerPC

This set of patches adds the ability to compile and use kvm userspace tools with PowerPC. It also adds the ability for other archs to add support. Also added are new events into the format file. These have been submitted for inclusion into events defined in the kernel.

4 files changed, 13 insertions(+), 2 deletions(-)
user/Makefile              |    2 ++
user/config-powerpc.mak    |    2 +-
user/config-x86-common.mak |    1 -
user/formats               |   10 ++++++++++
#1 lore raw

PATCH 1/1 Fix building of kvmtrace tool for all archs

2 files changed, 2 insertions(+), 1 deletion(-)
user/Makefile              |    2 ++
user/config-x86-common.mak |    1 -

$(kvmtrace_objs) is defined in config-x86-common.mak. This needs to be moved to the common Makefile so everyone can build it. Also it is just one c file as opposed to multiple diffrering c files as with kvmctl.

user/Makefile +2 -0
@@ -33,6 +33,8 @@ autodepend-flags = -MMD -MF $(dir $*).$(
 
 LDFLAGS += -pthread -lrt
 
+kvmtrace_objs= kvmtrace.o
+
 kvmctl: $(kvmctl_objs)
 	$(CC) $(LDFLAGS) $^ -o $@
 
user/config-x86-common.mak +0 -1
@@ -3,7 +3,6 @@ all: kvmctl kvmtrace test_cases
 all: kvmctl kvmtrace test_cases
 
 kvmctl_objs= main.o iotable.o ../libkvm/libkvm.a
-kvmtrace_objs= kvmtrace.o
 balloon_ctl: balloon_ctl.o
 
 FLATLIBS = $(TEST_DIR)/libcflat.a $(libgcc)
#2 lore raw

PATCH 1/1 kvmtrace tool build by default for powerpc

In reply to Jerone Young
1 file changed, 1 insertion(+), 1 deletion(-)

user/config-powerpc.mak | 2 +-

Patch adds kvmtrace to standard build in /user diretory for powerpc.

user/config-powerpc.mak +1 -1
@@ -18,7 +18,7 @@ testobjs := \
 
 tests := $(addprefix test/powerpc/, $(testobjs))
 
-all: kvmctl $(tests)
+all: kvmtrace kvmctl $(tests)
 
 kvmctl_objs = main-ppc.o iotable.o ../libkvm/libkvm.a
 
#3 lore raw

PATCH 1/1 Add new definitions to kvm trace format file

In reply to Jerone Young
1 file changed, 10 insertions(+)

user/formats | 10 ++++++++++

This patch adds new defitions that are also defined in the kernel (or will be) to format file.

user/formats +10 -0
@@ -23,3 +23,13 @@ 0x00020013  %(tsc)d (+%(reltsc)8d)  LMSW
 0x00020013  %(tsc)d (+%(reltsc)8d)  LMSW          vcpu = 0x%(vcpu)08x  pid = 0x%(pid)08x [ value = 0x%(1)08x ]
 0x00020014  %(tsc)d (+%(reltsc)8d)  APIC_ACCESS   vcpu = 0x%(vcpu)08x  pid = 0x%(pid)08x [ offset = 0x%(1)08x ]
 0x00020015  %(tsc)d (+%(reltsc)8d)  TDP_FAULT     vcpu = 0x%(vcpu)08x  pid = 0x%(pid)08x [ errorcode = 0x%(1)08x, virt = 0x%(3)08x %(2)08x ]
+#context switch
+0x00020016  %(tsc)d (+%(reltsc)8d)  CONT_SWITCH   vcpu = 0x%(vcpu)08x  pid = 0x%(pid)08x 
+#tlb write
+0x00020017  %(tsc)d (+%(reltsc)8d)  TLB_WRITE    vcpu = 0x%(vcpu)08x  pid = 0x%(pid)08x [ index = 0x%(1)08x, tid = 0x%(2)08x, word1=0x%(3)08x, word2=0x%(4)08x, word3=0x%(5)08x ]
+#tlb invalidate
+0x00020018  %(tsc)d (+%(reltsc)8d)  TLB_INVAL     vcpu = 0x%(vcpu)08x  pid = 0x%(pid)08x [ index = 0x%(1)08x, tid = 0x%(2)08x, word1=0x%(3)08x, word2=0x%(4)08x, word3=0x%(5)08x ]
+#guest TLB write
+0x00020019  %(tsc)d (+%(reltsc)8d)  GTLB_WRITE    vcpu = 0x%(vcpu)08x  pid = 0x%(pid)08x [ index = 0x%(1)08x, tid = 0x%(2)08x, word1=0x%(3)08x, word2=0x%(4)08x, word3=0x%(5)08x ]
+#shadow TLB write
+0x00020020  %(tsc)d (+%(reltsc)8d)  STLB_WRITE   vcpu = 0x%(vcpu)08x  pid = 0x%(pid)08x [ index = 0x%(1)08x, tid = 0x%(2)08x, word1=0x%(3)08x, word2=0x%(4)08x, word3=0x%(5)08x ]
Applied
#4 lore raw
In reply to Jerone Young
Quoted 2 lines · Jerone Young

This set of patches adds the ability to compile and use kvm userspace tools with PowerPC. It also adds the ability for other archs to add support. Also added are new events into the format file. These have been submitted for inclusion into events defined in the kernel.

Applied all, thanks.

Signature · 1 line
Do not meddle in the internals of kernels, for they are subtle and quick to panic.