| Message ID | 1596122076-341293-33-git-send-email-steven.sistare@oracle.com |
|---|---|
| State | New |
| Headers | show |
| Series | [V1,01/32] savevm: add vmstate handler iterators | expand |
* Steve Sistare (steven.sistare@oracle.com) wrote: > Print more info for existing trace points: > trace_kvm_irqchip_add_msi_route. > trace_pci_update_mappings_del > trace_pci_update_mappings_add > > Add new trace points: > trace_kvm_irqchip_assign_irqfd > trace_msix_table_mmio_write > trace_vfio_dma_unmap > trace_vfio_dma_map > trace_vfio_region > trace_vfio_descriptors > trace_ram_block_add > > Signed-off-by: Steve Sistare <steven.sistare@oracle.com> Why don't you split this out into a separate patch by itself; if they're general extra useful tracing they can just go in. Note that you've also added a new warning in vfio_dma_unmap Dave > --- > accel/kvm/kvm-all.c | 8 ++++++-- > accel/kvm/trace-events | 3 ++- > exec.c | 3 +++ > hw/pci/msix.c | 1 + > hw/pci/pci.c | 10 ++++++---- > hw/pci/trace-events | 5 +++-- > hw/vfio/common.c | 16 +++++++++++++++- > hw/vfio/pci.c | 1 + > hw/vfio/trace-events | 9 ++++++--- > trace-events | 2 ++ > 10 files changed, 45 insertions(+), 13 deletions(-) > > diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c > index 63ef6af..5511ea7 100644 > --- a/accel/kvm/kvm-all.c > +++ b/accel/kvm/kvm-all.c > @@ -46,6 +46,7 @@ > #include "sysemu/reset.h" > > #include "hw/boards.h" > +#include "trace-root.h" > > /* This check must be after config-host.h is included */ > #ifdef CONFIG_EVENTFD > @@ -1670,7 +1671,7 @@ int kvm_irqchip_add_msi_route(KVMState *s, int vector, PCIDevice *dev) > } > > trace_kvm_irqchip_add_msi_route(dev ? dev->name : (char *)"N/A", > - vector, virq); > + vector, virq, msg.address, msg.data); > > kvm_add_routing_entry(s, &kroute); > kvm_arch_add_msi_route_post(&kroute, vector, dev); > @@ -1717,6 +1718,7 @@ static int kvm_irqchip_assign_irqfd(KVMState *s, EventNotifier *event, > { > int fd = event_notifier_get_fd(event); > int rfd = resample ? event_notifier_get_fd(resample) : -1; > + int ret; > > struct kvm_irqfd irqfd = { > .fd = fd, > @@ -1758,7 +1760,9 @@ static int kvm_irqchip_assign_irqfd(KVMState *s, EventNotifier *event, > return -ENOSYS; > } > > - return kvm_vm_ioctl(s, KVM_IRQFD, &irqfd); > + ret = kvm_vm_ioctl(s, KVM_IRQFD, &irqfd); > + trace_kvm_irqchip_assign_irqfd(fd, virq, rfd, ret); > + return ret; > } > > int kvm_irqchip_add_adapter_route(KVMState *s, AdapterInfo *adapter) > diff --git a/accel/kvm/trace-events b/accel/kvm/trace-events > index a68eb66..67a01e6 100644 > --- a/accel/kvm/trace-events > +++ b/accel/kvm/trace-events > @@ -9,7 +9,8 @@ kvm_device_ioctl(int fd, int type, void *arg) "dev fd %d, type 0x%x, arg %p" > kvm_failed_reg_get(uint64_t id, const char *msg) "Warning: Unable to retrieve ONEREG %" PRIu64 " from KVM: %s" > kvm_failed_reg_set(uint64_t id, const char *msg) "Warning: Unable to set ONEREG %" PRIu64 " to KVM: %s" > kvm_irqchip_commit_routes(void) "" > -kvm_irqchip_add_msi_route(char *name, int vector, int virq) "dev %s vector %d virq %d" > +kvm_irqchip_add_msi_route(char *name, int vector, int virq, uint64_t addr, uint32_t data) "%s, vector %d, virq %d, msg {addr 0x%"PRIx64", data 0x%x}" > +kvm_irqchip_assign_irqfd(int fd, int virq, int rfd, int status) "(fd=%d, virq=%d, rfd=%d) KVM_IRQFD returns %d" > kvm_irqchip_update_msi_route(int virq) "Updating MSI route virq=%d" > kvm_irqchip_release_virq(int virq) "virq %d" > kvm_set_ioeventfd_mmio(int fd, uint64_t addr, uint32_t val, bool assign, uint32_t size, bool datamatch) "fd: %d @0x%" PRIx64 " val=0x%x assign: %d size: %d match: %d" > diff --git a/exec.c b/exec.c > index 5473c09..dd99ee0 100644 > --- a/exec.c > +++ b/exec.c > @@ -2319,6 +2319,9 @@ static void ram_block_add(RAMBlock *new_block, Error **errp, bool shared) > } > ram_block_notify_add(new_block->host, new_block->max_length); > } > + trace_ram_block_add(new_block->host, new_block->max_length, > + memory_region_name(new_block->mr), > + new_block->mr->readonly ? "ro" : "rw"); > } > > #ifdef CONFIG_POSIX > diff --git a/hw/pci/msix.c b/hw/pci/msix.c > index 67e34f3..65a2882 100644 > --- a/hw/pci/msix.c > +++ b/hw/pci/msix.c > @@ -189,6 +189,7 @@ static void msix_table_mmio_write(void *opaque, hwaddr addr, > int vector = addr / PCI_MSIX_ENTRY_SIZE; > bool was_masked; > > + trace_msix_table_mmio_write(dev->name, addr, val, size); > was_masked = msix_is_masked(dev, vector); > pci_set_long(dev->msix_table + addr, val); > msix_handle_mask_update(dev, vector, was_masked); > diff --git a/hw/pci/pci.c b/hw/pci/pci.c > index c2e1509..6142411 100644 > --- a/hw/pci/pci.c > +++ b/hw/pci/pci.c > @@ -1324,9 +1324,11 @@ void pci_update_mappings(PCIDevice *d) > PCIIORegion *r; > int i; > pcibus_t new_addr; > + const char *name; > > for(i = 0; i < PCI_NUM_REGIONS; i++) { > r = &d->io_regions[i]; > + name = r->memory ? r->memory->name : ""; > > /* this region isn't registered */ > if (!r->size) > @@ -1340,18 +1342,18 @@ void pci_update_mappings(PCIDevice *d) > > /* now do the real mapping */ > if (r->addr != PCI_BAR_UNMAPPED) { > - trace_pci_update_mappings_del(d, pci_dev_bus_num(d), > + trace_pci_update_mappings_del(d->name, pci_dev_bus_num(d), > PCI_SLOT(d->devfn), > PCI_FUNC(d->devfn), > - i, r->addr, r->size); > + i, r->addr, r->size, name); > memory_region_del_subregion(r->address_space, r->memory); > } > r->addr = new_addr; > if (r->addr != PCI_BAR_UNMAPPED) { > - trace_pci_update_mappings_add(d, pci_dev_bus_num(d), > + trace_pci_update_mappings_add(d->name, pci_dev_bus_num(d), > PCI_SLOT(d->devfn), > PCI_FUNC(d->devfn), > - i, r->addr, r->size); > + i, r->addr, r->size, name); > memory_region_add_subregion_overlap(r->address_space, > r->addr, r->memory, 1); > } > diff --git a/hw/pci/trace-events b/hw/pci/trace-events > index def4b39..6dd7015 100644 > --- a/hw/pci/trace-events > +++ b/hw/pci/trace-events > @@ -1,8 +1,8 @@ > # See docs/devel/tracing.txt for syntax documentation. > > # pci.c > -pci_update_mappings_del(void *d, uint32_t bus, uint32_t slot, uint32_t func, int bar, uint64_t addr, uint64_t size) "d=%p %02x:%02x.%x %d,0x%"PRIx64"+0x%"PRIx64 > -pci_update_mappings_add(void *d, uint32_t bus, uint32_t slot, uint32_t func, int bar, uint64_t addr, uint64_t size) "d=%p %02x:%02x.%x %d,0x%"PRIx64"+0x%"PRIx64 > +pci_update_mappings_del(const char *dname, uint32_t bus, uint32_t slot, uint32_t func, int bar, uint64_t addr, uint64_t size, const char *name) "%s %02x:%02x.%x [%d] 0x%"PRIx64", 0x%"PRIx64"B \"%s\"" > +pci_update_mappings_add(const char *dname, uint32_t bus, uint32_t slot, uint32_t func, int bar, uint64_t addr, uint64_t size, const char *name) "%s %02x:%02x.%x [%d] 0x%"PRIx64", 0x%"PRIx64"B \"%s\"" > > # pci_host.c > pci_cfg_read(const char *dev, unsigned devid, unsigned fnid, unsigned offs, unsigned val) "%s %02u:%u @0x%x -> 0x%x" > @@ -10,3 +10,4 @@ pci_cfg_write(const char *dev, unsigned devid, unsigned fnid, unsigned offs, uns > > # msix.c > msix_write_config(char *name, bool enabled, bool masked) "dev %s enabled %d masked %d" > +msix_table_mmio_write(char *name, uint64_t addr, uint64_t val, unsigned size) "(%s, @%"PRId64", 0x%"PRIx64", %dB)" > diff --git a/hw/vfio/common.c b/hw/vfio/common.c > index a51a093..23c8bf3 100644 > --- a/hw/vfio/common.c > +++ b/hw/vfio/common.c > @@ -304,6 +304,8 @@ static int vfio_dma_unmap(VFIOContainer *container, > return 0; > } > > + trace_vfio_dma_unmap(container->fd, iova, size); > + > while (ioctl(container->fd, VFIO_IOMMU_UNMAP_DMA, &unmap)) { > /* > * The type1 backend has an off-by-one bug in the kernel (71a7d3d78e3c > @@ -327,6 +329,11 @@ static int vfio_dma_unmap(VFIOContainer *container, > return -errno; > } > > + if (unmap.size != size) { > + error_printf("warn: VFIO_UNMAP_DMA(0x%lx, 0x%lx) only unmaps 0x%llx", > + iova, size, unmap.size); > + } > + > return 0; > } > > @@ -345,6 +352,9 @@ static int vfio_dma_map(VFIOContainer *container, hwaddr iova, > return 0; > } > > + trace_vfio_dma_map(container->fd, iova, size, vaddr, > + (readonly ? "r" : "rw")); > + > if (!readonly) { > map.flags |= VFIO_DMA_MAP_FLAG_WRITE; > } > @@ -985,7 +995,8 @@ int vfio_region_mmap(VFIORegion *region) > trace_vfio_region_mmap(memory_region_name(®ion->mmaps[i].mem), > region->mmaps[i].offset, > region->mmaps[i].offset + > - region->mmaps[i].size - 1); > + region->mmaps[i].size - 1, > + region->mmaps[i].mmap); > } > > return 0; > @@ -1696,6 +1707,9 @@ retry: > goto retry; > } > > + trace_vfio_region(vbasedev->name, index, (*info)->offset, (*info)->size, > + (*info)->cap_offset, (*info)->flags); > + > return 0; > } > > diff --git a/hw/vfio/pci.c b/hw/vfio/pci.c > index f72e277..d74e078 100644 > --- a/hw/vfio/pci.c > +++ b/hw/vfio/pci.c > @@ -41,6 +41,7 @@ > #include "trace.h" > #include "qapi/error.h" > #include "migration/blocker.h" > +#include "trace-root.h" > > #define TYPE_VFIO_PCI "vfio-pci" > #define PCI_VFIO(obj) OBJECT_CHECK(VFIOPCIDevice, obj, TYPE_VFIO_PCI) > diff --git a/hw/vfio/trace-events b/hw/vfio/trace-events > index 10d899c..83cd0a6 100644 > --- a/hw/vfio/trace-events > +++ b/hw/vfio/trace-events > @@ -25,7 +25,7 @@ vfio_pci_size_rom(const char *name, int size) "%s ROM size 0x%x" > vfio_vga_write(uint64_t addr, uint64_t data, int size) " (0x%"PRIx64", 0x%"PRIx64", %d)" > vfio_vga_read(uint64_t addr, int size, uint64_t data) " (0x%"PRIx64", %d) = 0x%"PRIx64 > vfio_pci_read_config(const char *name, int addr, int len, int val) " (%s, @0x%x, len=0x%x) 0x%x" > -vfio_pci_write_config(const char *name, int addr, int val, int len) " (%s, @0x%x, 0x%x, len=0x%x)" > +vfio_pci_write_config(const char *name, int addr, int val, int len) "(%s, @0x%x, 0x%x, 0x%xB)" > vfio_msi_setup(const char *name, int pos) "%s PCI MSI CAP @0x%x" > vfio_msix_early_setup(const char *name, int pos, int table_bar, int offset, int entries) "%s PCI MSI-X CAP @0x%x, BAR %d, offset 0x%x, entries %d" > vfio_check_pcie_flr(const char *name) "%s Supports FLR via PCIe cap" > @@ -37,7 +37,7 @@ vfio_pci_hot_reset_dep_devices(int domain, int bus, int slot, int function, int > vfio_pci_hot_reset_result(const char *name, const char *result) "%s hot reset: %s" > vfio_populate_device_config(const char *name, unsigned long size, unsigned long offset, unsigned long flags) "Device %s config:\n size: 0x%lx, offset: 0x%lx, flags: 0x%lx" > vfio_populate_device_get_irq_info_failure(const char *errstr) "VFIO_DEVICE_GET_IRQ_INFO failure: %s" > -vfio_realize(const char *name, int group_id) " (%s) group %d" > +vfio_realize(const char *name, int group_id) "(%s) group %d" > vfio_mdev(const char *name, bool is_mdev) " (%s) is_mdev %d" > vfio_add_ext_cap_dropped(const char *name, uint16_t cap, uint16_t offset) "%s 0x%x@0x%x" > vfio_pci_reset(const char *name) " (%s)" > @@ -109,7 +109,7 @@ vfio_get_device(const char * name, unsigned int flags, unsigned int num_regions, > vfio_put_base_device(int fd) "close vdev->fd=%d" > vfio_region_setup(const char *dev, int index, const char *name, unsigned long flags, unsigned long offset, unsigned long size) "Device %s, region %d \"%s\", flags: 0x%lx, offset: 0x%lx, size: 0x%lx" > vfio_region_mmap_fault(const char *name, int index, unsigned long offset, unsigned long size, int fault) "Region %s mmaps[%d], [0x%lx - 0x%lx], fault: %d" > -vfio_region_mmap(const char *name, unsigned long offset, unsigned long end) "Region %s [0x%lx - 0x%lx]" > +vfio_region_mmap(const char *name, unsigned long offset, unsigned long end, void *addr) "%s [0x%lx - 0x%lx] maps to %p" > vfio_region_exit(const char *name, int index) "Device %s, region %d" > vfio_region_finalize(const char *name, int index) "Device %s, region %d" > vfio_region_mmaps_set_enabled(const char *name, bool enabled) "Region %s mmaps enabled: %d" > @@ -117,6 +117,9 @@ vfio_region_sparse_mmap_header(const char *name, int index, int nr_areas) "Devic > vfio_region_sparse_mmap_entry(int i, unsigned long start, unsigned long end) "sparse entry %d [0x%lx - 0x%lx]" > vfio_get_dev_region(const char *name, int index, uint32_t type, uint32_t subtype) "%s index %d, %08x/%0x8" > vfio_dma_unmap_overflow_workaround(void) "" > +vfio_dma_unmap(int fd, uint64_t iova, uint64_t size) "fd %d, iova 0x%"PRIx64", len 0x%"PRIx64 > +vfio_dma_map(int fd, uint64_t iova, uint64_t size, void *addr, const char *access) "fd %d, iova 0x%"PRIx64", len 0x%"PRIx64", va %p, %s" > +vfio_region(const char *name, int index, uint64_t offset, uint64_t size, int cap_offset, int flags) "%s [%d]: +0x%"PRIx64", 0x%"PRIx64"B, cap +0x%x, flags 0x%x" > > # platform.c > vfio_platform_base_device_init(char *name, int groupid) "%s belongs to group #%d" > diff --git a/trace-events b/trace-events > index 42107eb..98589a4 100644 > --- a/trace-events > +++ b/trace-events > @@ -107,6 +107,8 @@ qmp_job_complete(void *job) "job %p" > qmp_job_finalize(void *job) "job %p" > qmp_job_dismiss(void *job) "job %p" > > +# exec.c > +ram_block_add(void *host, uint64_t maxlen, const char *name, const char *mode) "host=%p, maxlen=0x%"PRIx64", mr = {name=%s, %s}" > > ### Guest events, keep at bottom > > -- > 1.8.3.1 > -- Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK
On 9/15/2020 2:49 PM, Dr. David Alan Gilbert wrote: > * Steve Sistare (steven.sistare@oracle.com) wrote: >> Print more info for existing trace points: >> trace_kvm_irqchip_add_msi_route. >> trace_pci_update_mappings_del >> trace_pci_update_mappings_add >> >> Add new trace points: >> trace_kvm_irqchip_assign_irqfd >> trace_msix_table_mmio_write >> trace_vfio_dma_unmap >> trace_vfio_dma_map >> trace_vfio_region >> trace_vfio_descriptors >> trace_ram_block_add >> >> Signed-off-by: Steve Sistare <steven.sistare@oracle.com> > > Why don't you split this out into a separate patch by itself; if they're > general extra useful tracing they can just go in. OK, will submit separately. > Note that you've also added a new warning in vfio_dma_unmap I'll move that elsewhere. - Steve >> --- >> accel/kvm/kvm-all.c | 8 ++++++-- >> accel/kvm/trace-events | 3 ++- >> exec.c | 3 +++ >> hw/pci/msix.c | 1 + >> hw/pci/pci.c | 10 ++++++---- >> hw/pci/trace-events | 5 +++-- >> hw/vfio/common.c | 16 +++++++++++++++- >> hw/vfio/pci.c | 1 + >> hw/vfio/trace-events | 9 ++++++--- >> trace-events | 2 ++ >> 10 files changed, 45 insertions(+), 13 deletions(-) >> >> diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c >> index 63ef6af..5511ea7 100644 >> --- a/accel/kvm/kvm-all.c >> +++ b/accel/kvm/kvm-all.c >> @@ -46,6 +46,7 @@ >> #include "sysemu/reset.h" >> >> #include "hw/boards.h" >> +#include "trace-root.h" >> >> /* This check must be after config-host.h is included */ >> #ifdef CONFIG_EVENTFD >> @@ -1670,7 +1671,7 @@ int kvm_irqchip_add_msi_route(KVMState *s, int vector, PCIDevice *dev) >> } >> >> trace_kvm_irqchip_add_msi_route(dev ? dev->name : (char *)"N/A", >> - vector, virq); >> + vector, virq, msg.address, msg.data); >> >> kvm_add_routing_entry(s, &kroute); >> kvm_arch_add_msi_route_post(&kroute, vector, dev); >> @@ -1717,6 +1718,7 @@ static int kvm_irqchip_assign_irqfd(KVMState *s, EventNotifier *event, >> { >> int fd = event_notifier_get_fd(event); >> int rfd = resample ? event_notifier_get_fd(resample) : -1; >> + int ret; >> >> struct kvm_irqfd irqfd = { >> .fd = fd, >> @@ -1758,7 +1760,9 @@ static int kvm_irqchip_assign_irqfd(KVMState *s, EventNotifier *event, >> return -ENOSYS; >> } >> >> - return kvm_vm_ioctl(s, KVM_IRQFD, &irqfd); >> + ret = kvm_vm_ioctl(s, KVM_IRQFD, &irqfd); >> + trace_kvm_irqchip_assign_irqfd(fd, virq, rfd, ret); >> + return ret; >> } >> >> int kvm_irqchip_add_adapter_route(KVMState *s, AdapterInfo *adapter) >> diff --git a/accel/kvm/trace-events b/accel/kvm/trace-events >> index a68eb66..67a01e6 100644 >> --- a/accel/kvm/trace-events >> +++ b/accel/kvm/trace-events >> @@ -9,7 +9,8 @@ kvm_device_ioctl(int fd, int type, void *arg) "dev fd %d, type 0x%x, arg %p" >> kvm_failed_reg_get(uint64_t id, const char *msg) "Warning: Unable to retrieve ONEREG %" PRIu64 " from KVM: %s" >> kvm_failed_reg_set(uint64_t id, const char *msg) "Warning: Unable to set ONEREG %" PRIu64 " to KVM: %s" >> kvm_irqchip_commit_routes(void) "" >> -kvm_irqchip_add_msi_route(char *name, int vector, int virq) "dev %s vector %d virq %d" >> +kvm_irqchip_add_msi_route(char *name, int vector, int virq, uint64_t addr, uint32_t data) "%s, vector %d, virq %d, msg {addr 0x%"PRIx64", data 0x%x}" >> +kvm_irqchip_assign_irqfd(int fd, int virq, int rfd, int status) "(fd=%d, virq=%d, rfd=%d) KVM_IRQFD returns %d" >> kvm_irqchip_update_msi_route(int virq) "Updating MSI route virq=%d" >> kvm_irqchip_release_virq(int virq) "virq %d" >> kvm_set_ioeventfd_mmio(int fd, uint64_t addr, uint32_t val, bool assign, uint32_t size, bool datamatch) "fd: %d @0x%" PRIx64 " val=0x%x assign: %d size: %d match: %d" >> diff --git a/exec.c b/exec.c >> index 5473c09..dd99ee0 100644 >> --- a/exec.c >> +++ b/exec.c >> @@ -2319,6 +2319,9 @@ static void ram_block_add(RAMBlock *new_block, Error **errp, bool shared) >> } >> ram_block_notify_add(new_block->host, new_block->max_length); >> } >> + trace_ram_block_add(new_block->host, new_block->max_length, >> + memory_region_name(new_block->mr), >> + new_block->mr->readonly ? "ro" : "rw"); >> } >> >> #ifdef CONFIG_POSIX >> diff --git a/hw/pci/msix.c b/hw/pci/msix.c >> index 67e34f3..65a2882 100644 >> --- a/hw/pci/msix.c >> +++ b/hw/pci/msix.c >> @@ -189,6 +189,7 @@ static void msix_table_mmio_write(void *opaque, hwaddr addr, >> int vector = addr / PCI_MSIX_ENTRY_SIZE; >> bool was_masked; >> >> + trace_msix_table_mmio_write(dev->name, addr, val, size); >> was_masked = msix_is_masked(dev, vector); >> pci_set_long(dev->msix_table + addr, val); >> msix_handle_mask_update(dev, vector, was_masked); >> diff --git a/hw/pci/pci.c b/hw/pci/pci.c >> index c2e1509..6142411 100644 >> --- a/hw/pci/pci.c >> +++ b/hw/pci/pci.c >> @@ -1324,9 +1324,11 @@ void pci_update_mappings(PCIDevice *d) >> PCIIORegion *r; >> int i; >> pcibus_t new_addr; >> + const char *name; >> >> for(i = 0; i < PCI_NUM_REGIONS; i++) { >> r = &d->io_regions[i]; >> + name = r->memory ? r->memory->name : ""; >> >> /* this region isn't registered */ >> if (!r->size) >> @@ -1340,18 +1342,18 @@ void pci_update_mappings(PCIDevice *d) >> >> /* now do the real mapping */ >> if (r->addr != PCI_BAR_UNMAPPED) { >> - trace_pci_update_mappings_del(d, pci_dev_bus_num(d), >> + trace_pci_update_mappings_del(d->name, pci_dev_bus_num(d), >> PCI_SLOT(d->devfn), >> PCI_FUNC(d->devfn), >> - i, r->addr, r->size); >> + i, r->addr, r->size, name); >> memory_region_del_subregion(r->address_space, r->memory); >> } >> r->addr = new_addr; >> if (r->addr != PCI_BAR_UNMAPPED) { >> - trace_pci_update_mappings_add(d, pci_dev_bus_num(d), >> + trace_pci_update_mappings_add(d->name, pci_dev_bus_num(d), >> PCI_SLOT(d->devfn), >> PCI_FUNC(d->devfn), >> - i, r->addr, r->size); >> + i, r->addr, r->size, name); >> memory_region_add_subregion_overlap(r->address_space, >> r->addr, r->memory, 1); >> } >> diff --git a/hw/pci/trace-events b/hw/pci/trace-events >> index def4b39..6dd7015 100644 >> --- a/hw/pci/trace-events >> +++ b/hw/pci/trace-events >> @@ -1,8 +1,8 @@ >> # See docs/devel/tracing.txt for syntax documentation. >> >> # pci.c >> -pci_update_mappings_del(void *d, uint32_t bus, uint32_t slot, uint32_t func, int bar, uint64_t addr, uint64_t size) "d=%p %02x:%02x.%x %d,0x%"PRIx64"+0x%"PRIx64 >> -pci_update_mappings_add(void *d, uint32_t bus, uint32_t slot, uint32_t func, int bar, uint64_t addr, uint64_t size) "d=%p %02x:%02x.%x %d,0x%"PRIx64"+0x%"PRIx64 >> +pci_update_mappings_del(const char *dname, uint32_t bus, uint32_t slot, uint32_t func, int bar, uint64_t addr, uint64_t size, const char *name) "%s %02x:%02x.%x [%d] 0x%"PRIx64", 0x%"PRIx64"B \"%s\"" >> +pci_update_mappings_add(const char *dname, uint32_t bus, uint32_t slot, uint32_t func, int bar, uint64_t addr, uint64_t size, const char *name) "%s %02x:%02x.%x [%d] 0x%"PRIx64", 0x%"PRIx64"B \"%s\"" >> >> # pci_host.c >> pci_cfg_read(const char *dev, unsigned devid, unsigned fnid, unsigned offs, unsigned val) "%s %02u:%u @0x%x -> 0x%x" >> @@ -10,3 +10,4 @@ pci_cfg_write(const char *dev, unsigned devid, unsigned fnid, unsigned offs, uns >> >> # msix.c >> msix_write_config(char *name, bool enabled, bool masked) "dev %s enabled %d masked %d" >> +msix_table_mmio_write(char *name, uint64_t addr, uint64_t val, unsigned size) "(%s, @%"PRId64", 0x%"PRIx64", %dB)" >> diff --git a/hw/vfio/common.c b/hw/vfio/common.c >> index a51a093..23c8bf3 100644 >> --- a/hw/vfio/common.c >> +++ b/hw/vfio/common.c >> @@ -304,6 +304,8 @@ static int vfio_dma_unmap(VFIOContainer *container, >> return 0; >> } >> >> + trace_vfio_dma_unmap(container->fd, iova, size); >> + >> while (ioctl(container->fd, VFIO_IOMMU_UNMAP_DMA, &unmap)) { >> /* >> * The type1 backend has an off-by-one bug in the kernel (71a7d3d78e3c >> @@ -327,6 +329,11 @@ static int vfio_dma_unmap(VFIOContainer *container, >> return -errno; >> } >> >> + if (unmap.size != size) { >> + error_printf("warn: VFIO_UNMAP_DMA(0x%lx, 0x%lx) only unmaps 0x%llx", >> + iova, size, unmap.size); >> + } >> + >> return 0; >> } >> >> @@ -345,6 +352,9 @@ static int vfio_dma_map(VFIOContainer *container, hwaddr iova, >> return 0; >> } >> >> + trace_vfio_dma_map(container->fd, iova, size, vaddr, >> + (readonly ? "r" : "rw")); >> + >> if (!readonly) { >> map.flags |= VFIO_DMA_MAP_FLAG_WRITE; >> } >> @@ -985,7 +995,8 @@ int vfio_region_mmap(VFIORegion *region) >> trace_vfio_region_mmap(memory_region_name(®ion->mmaps[i].mem), >> region->mmaps[i].offset, >> region->mmaps[i].offset + >> - region->mmaps[i].size - 1); >> + region->mmaps[i].size - 1, >> + region->mmaps[i].mmap); >> } >> >> return 0; >> @@ -1696,6 +1707,9 @@ retry: >> goto retry; >> } >> >> + trace_vfio_region(vbasedev->name, index, (*info)->offset, (*info)->size, >> + (*info)->cap_offset, (*info)->flags); >> + >> return 0; >> } >> >> diff --git a/hw/vfio/pci.c b/hw/vfio/pci.c >> index f72e277..d74e078 100644 >> --- a/hw/vfio/pci.c >> +++ b/hw/vfio/pci.c >> @@ -41,6 +41,7 @@ >> #include "trace.h" >> #include "qapi/error.h" >> #include "migration/blocker.h" >> +#include "trace-root.h" >> >> #define TYPE_VFIO_PCI "vfio-pci" >> #define PCI_VFIO(obj) OBJECT_CHECK(VFIOPCIDevice, obj, TYPE_VFIO_PCI) >> diff --git a/hw/vfio/trace-events b/hw/vfio/trace-events >> index 10d899c..83cd0a6 100644 >> --- a/hw/vfio/trace-events >> +++ b/hw/vfio/trace-events >> @@ -25,7 +25,7 @@ vfio_pci_size_rom(const char *name, int size) "%s ROM size 0x%x" >> vfio_vga_write(uint64_t addr, uint64_t data, int size) " (0x%"PRIx64", 0x%"PRIx64", %d)" >> vfio_vga_read(uint64_t addr, int size, uint64_t data) " (0x%"PRIx64", %d) = 0x%"PRIx64 >> vfio_pci_read_config(const char *name, int addr, int len, int val) " (%s, @0x%x, len=0x%x) 0x%x" >> -vfio_pci_write_config(const char *name, int addr, int val, int len) " (%s, @0x%x, 0x%x, len=0x%x)" >> +vfio_pci_write_config(const char *name, int addr, int val, int len) "(%s, @0x%x, 0x%x, 0x%xB)" >> vfio_msi_setup(const char *name, int pos) "%s PCI MSI CAP @0x%x" >> vfio_msix_early_setup(const char *name, int pos, int table_bar, int offset, int entries) "%s PCI MSI-X CAP @0x%x, BAR %d, offset 0x%x, entries %d" >> vfio_check_pcie_flr(const char *name) "%s Supports FLR via PCIe cap" >> @@ -37,7 +37,7 @@ vfio_pci_hot_reset_dep_devices(int domain, int bus, int slot, int function, int >> vfio_pci_hot_reset_result(const char *name, const char *result) "%s hot reset: %s" >> vfio_populate_device_config(const char *name, unsigned long size, unsigned long offset, unsigned long flags) "Device %s config:\n size: 0x%lx, offset: 0x%lx, flags: 0x%lx" >> vfio_populate_device_get_irq_info_failure(const char *errstr) "VFIO_DEVICE_GET_IRQ_INFO failure: %s" >> -vfio_realize(const char *name, int group_id) " (%s) group %d" >> +vfio_realize(const char *name, int group_id) "(%s) group %d" >> vfio_mdev(const char *name, bool is_mdev) " (%s) is_mdev %d" >> vfio_add_ext_cap_dropped(const char *name, uint16_t cap, uint16_t offset) "%s 0x%x@0x%x" >> vfio_pci_reset(const char *name) " (%s)" >> @@ -109,7 +109,7 @@ vfio_get_device(const char * name, unsigned int flags, unsigned int num_regions, >> vfio_put_base_device(int fd) "close vdev->fd=%d" >> vfio_region_setup(const char *dev, int index, const char *name, unsigned long flags, unsigned long offset, unsigned long size) "Device %s, region %d \"%s\", flags: 0x%lx, offset: 0x%lx, size: 0x%lx" >> vfio_region_mmap_fault(const char *name, int index, unsigned long offset, unsigned long size, int fault) "Region %s mmaps[%d], [0x%lx - 0x%lx], fault: %d" >> -vfio_region_mmap(const char *name, unsigned long offset, unsigned long end) "Region %s [0x%lx - 0x%lx]" >> +vfio_region_mmap(const char *name, unsigned long offset, unsigned long end, void *addr) "%s [0x%lx - 0x%lx] maps to %p" >> vfio_region_exit(const char *name, int index) "Device %s, region %d" >> vfio_region_finalize(const char *name, int index) "Device %s, region %d" >> vfio_region_mmaps_set_enabled(const char *name, bool enabled) "Region %s mmaps enabled: %d" >> @@ -117,6 +117,9 @@ vfio_region_sparse_mmap_header(const char *name, int index, int nr_areas) "Devic >> vfio_region_sparse_mmap_entry(int i, unsigned long start, unsigned long end) "sparse entry %d [0x%lx - 0x%lx]" >> vfio_get_dev_region(const char *name, int index, uint32_t type, uint32_t subtype) "%s index %d, %08x/%0x8" >> vfio_dma_unmap_overflow_workaround(void) "" >> +vfio_dma_unmap(int fd, uint64_t iova, uint64_t size) "fd %d, iova 0x%"PRIx64", len 0x%"PRIx64 >> +vfio_dma_map(int fd, uint64_t iova, uint64_t size, void *addr, const char *access) "fd %d, iova 0x%"PRIx64", len 0x%"PRIx64", va %p, %s" >> +vfio_region(const char *name, int index, uint64_t offset, uint64_t size, int cap_offset, int flags) "%s [%d]: +0x%"PRIx64", 0x%"PRIx64"B, cap +0x%x, flags 0x%x" >> >> # platform.c >> vfio_platform_base_device_init(char *name, int groupid) "%s belongs to group #%d" >> diff --git a/trace-events b/trace-events >> index 42107eb..98589a4 100644 >> --- a/trace-events >> +++ b/trace-events >> @@ -107,6 +107,8 @@ qmp_job_complete(void *job) "job %p" >> qmp_job_finalize(void *job) "job %p" >> qmp_job_dismiss(void *job) "job %p" >> >> +# exec.c >> +ram_block_add(void *host, uint64_t maxlen, const char *name, const char *mode) "host=%p, maxlen=0x%"PRIx64", mr = {name=%s, %s}" >> >> ### Guest events, keep at bottom >> >> -- >> 1.8.3.1 >>
diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c index 63ef6af..5511ea7 100644 --- a/accel/kvm/kvm-all.c +++ b/accel/kvm/kvm-all.c @@ -46,6 +46,7 @@ #include "sysemu/reset.h" #include "hw/boards.h" +#include "trace-root.h" /* This check must be after config-host.h is included */ #ifdef CONFIG_EVENTFD @@ -1670,7 +1671,7 @@ int kvm_irqchip_add_msi_route(KVMState *s, int vector, PCIDevice *dev) } trace_kvm_irqchip_add_msi_route(dev ? dev->name : (char *)"N/A", - vector, virq); + vector, virq, msg.address, msg.data); kvm_add_routing_entry(s, &kroute); kvm_arch_add_msi_route_post(&kroute, vector, dev); @@ -1717,6 +1718,7 @@ static int kvm_irqchip_assign_irqfd(KVMState *s, EventNotifier *event, { int fd = event_notifier_get_fd(event); int rfd = resample ? event_notifier_get_fd(resample) : -1; + int ret; struct kvm_irqfd irqfd = { .fd = fd, @@ -1758,7 +1760,9 @@ static int kvm_irqchip_assign_irqfd(KVMState *s, EventNotifier *event, return -ENOSYS; } - return kvm_vm_ioctl(s, KVM_IRQFD, &irqfd); + ret = kvm_vm_ioctl(s, KVM_IRQFD, &irqfd); + trace_kvm_irqchip_assign_irqfd(fd, virq, rfd, ret); + return ret; } int kvm_irqchip_add_adapter_route(KVMState *s, AdapterInfo *adapter) diff --git a/accel/kvm/trace-events b/accel/kvm/trace-events index a68eb66..67a01e6 100644 --- a/accel/kvm/trace-events +++ b/accel/kvm/trace-events @@ -9,7 +9,8 @@ kvm_device_ioctl(int fd, int type, void *arg) "dev fd %d, type 0x%x, arg %p" kvm_failed_reg_get(uint64_t id, const char *msg) "Warning: Unable to retrieve ONEREG %" PRIu64 " from KVM: %s" kvm_failed_reg_set(uint64_t id, const char *msg) "Warning: Unable to set ONEREG %" PRIu64 " to KVM: %s" kvm_irqchip_commit_routes(void) "" -kvm_irqchip_add_msi_route(char *name, int vector, int virq) "dev %s vector %d virq %d" +kvm_irqchip_add_msi_route(char *name, int vector, int virq, uint64_t addr, uint32_t data) "%s, vector %d, virq %d, msg {addr 0x%"PRIx64", data 0x%x}" +kvm_irqchip_assign_irqfd(int fd, int virq, int rfd, int status) "(fd=%d, virq=%d, rfd=%d) KVM_IRQFD returns %d" kvm_irqchip_update_msi_route(int virq) "Updating MSI route virq=%d" kvm_irqchip_release_virq(int virq) "virq %d" kvm_set_ioeventfd_mmio(int fd, uint64_t addr, uint32_t val, bool assign, uint32_t size, bool datamatch) "fd: %d @0x%" PRIx64 " val=0x%x assign: %d size: %d match: %d" diff --git a/exec.c b/exec.c index 5473c09..dd99ee0 100644 --- a/exec.c +++ b/exec.c @@ -2319,6 +2319,9 @@ static void ram_block_add(RAMBlock *new_block, Error **errp, bool shared) } ram_block_notify_add(new_block->host, new_block->max_length); } + trace_ram_block_add(new_block->host, new_block->max_length, + memory_region_name(new_block->mr), + new_block->mr->readonly ? "ro" : "rw"); } #ifdef CONFIG_POSIX diff --git a/hw/pci/msix.c b/hw/pci/msix.c index 67e34f3..65a2882 100644 --- a/hw/pci/msix.c +++ b/hw/pci/msix.c @@ -189,6 +189,7 @@ static void msix_table_mmio_write(void *opaque, hwaddr addr, int vector = addr / PCI_MSIX_ENTRY_SIZE; bool was_masked; + trace_msix_table_mmio_write(dev->name, addr, val, size); was_masked = msix_is_masked(dev, vector); pci_set_long(dev->msix_table + addr, val); msix_handle_mask_update(dev, vector, was_masked); diff --git a/hw/pci/pci.c b/hw/pci/pci.c index c2e1509..6142411 100644 --- a/hw/pci/pci.c +++ b/hw/pci/pci.c @@ -1324,9 +1324,11 @@ void pci_update_mappings(PCIDevice *d) PCIIORegion *r; int i; pcibus_t new_addr; + const char *name; for(i = 0; i < PCI_NUM_REGIONS; i++) { r = &d->io_regions[i]; + name = r->memory ? r->memory->name : ""; /* this region isn't registered */ if (!r->size) @@ -1340,18 +1342,18 @@ void pci_update_mappings(PCIDevice *d) /* now do the real mapping */ if (r->addr != PCI_BAR_UNMAPPED) { - trace_pci_update_mappings_del(d, pci_dev_bus_num(d), + trace_pci_update_mappings_del(d->name, pci_dev_bus_num(d), PCI_SLOT(d->devfn), PCI_FUNC(d->devfn), - i, r->addr, r->size); + i, r->addr, r->size, name); memory_region_del_subregion(r->address_space, r->memory); } r->addr = new_addr; if (r->addr != PCI_BAR_UNMAPPED) { - trace_pci_update_mappings_add(d, pci_dev_bus_num(d), + trace_pci_update_mappings_add(d->name, pci_dev_bus_num(d), PCI_SLOT(d->devfn), PCI_FUNC(d->devfn), - i, r->addr, r->size); + i, r->addr, r->size, name); memory_region_add_subregion_overlap(r->address_space, r->addr, r->memory, 1); } diff --git a/hw/pci/trace-events b/hw/pci/trace-events index def4b39..6dd7015 100644 --- a/hw/pci/trace-events +++ b/hw/pci/trace-events @@ -1,8 +1,8 @@ # See docs/devel/tracing.txt for syntax documentation. # pci.c -pci_update_mappings_del(void *d, uint32_t bus, uint32_t slot, uint32_t func, int bar, uint64_t addr, uint64_t size) "d=%p %02x:%02x.%x %d,0x%"PRIx64"+0x%"PRIx64 -pci_update_mappings_add(void *d, uint32_t bus, uint32_t slot, uint32_t func, int bar, uint64_t addr, uint64_t size) "d=%p %02x:%02x.%x %d,0x%"PRIx64"+0x%"PRIx64 +pci_update_mappings_del(const char *dname, uint32_t bus, uint32_t slot, uint32_t func, int bar, uint64_t addr, uint64_t size, const char *name) "%s %02x:%02x.%x [%d] 0x%"PRIx64", 0x%"PRIx64"B \"%s\"" +pci_update_mappings_add(const char *dname, uint32_t bus, uint32_t slot, uint32_t func, int bar, uint64_t addr, uint64_t size, const char *name) "%s %02x:%02x.%x [%d] 0x%"PRIx64", 0x%"PRIx64"B \"%s\"" # pci_host.c pci_cfg_read(const char *dev, unsigned devid, unsigned fnid, unsigned offs, unsigned val) "%s %02u:%u @0x%x -> 0x%x" @@ -10,3 +10,4 @@ pci_cfg_write(const char *dev, unsigned devid, unsigned fnid, unsigned offs, uns # msix.c msix_write_config(char *name, bool enabled, bool masked) "dev %s enabled %d masked %d" +msix_table_mmio_write(char *name, uint64_t addr, uint64_t val, unsigned size) "(%s, @%"PRId64", 0x%"PRIx64", %dB)" diff --git a/hw/vfio/common.c b/hw/vfio/common.c index a51a093..23c8bf3 100644 --- a/hw/vfio/common.c +++ b/hw/vfio/common.c @@ -304,6 +304,8 @@ static int vfio_dma_unmap(VFIOContainer *container, return 0; } + trace_vfio_dma_unmap(container->fd, iova, size); + while (ioctl(container->fd, VFIO_IOMMU_UNMAP_DMA, &unmap)) { /* * The type1 backend has an off-by-one bug in the kernel (71a7d3d78e3c @@ -327,6 +329,11 @@ static int vfio_dma_unmap(VFIOContainer *container, return -errno; } + if (unmap.size != size) { + error_printf("warn: VFIO_UNMAP_DMA(0x%lx, 0x%lx) only unmaps 0x%llx", + iova, size, unmap.size); + } + return 0; } @@ -345,6 +352,9 @@ static int vfio_dma_map(VFIOContainer *container, hwaddr iova, return 0; } + trace_vfio_dma_map(container->fd, iova, size, vaddr, + (readonly ? "r" : "rw")); + if (!readonly) { map.flags |= VFIO_DMA_MAP_FLAG_WRITE; } @@ -985,7 +995,8 @@ int vfio_region_mmap(VFIORegion *region) trace_vfio_region_mmap(memory_region_name(®ion->mmaps[i].mem), region->mmaps[i].offset, region->mmaps[i].offset + - region->mmaps[i].size - 1); + region->mmaps[i].size - 1, + region->mmaps[i].mmap); } return 0; @@ -1696,6 +1707,9 @@ retry: goto retry; } + trace_vfio_region(vbasedev->name, index, (*info)->offset, (*info)->size, + (*info)->cap_offset, (*info)->flags); + return 0; } diff --git a/hw/vfio/pci.c b/hw/vfio/pci.c index f72e277..d74e078 100644 --- a/hw/vfio/pci.c +++ b/hw/vfio/pci.c @@ -41,6 +41,7 @@ #include "trace.h" #include "qapi/error.h" #include "migration/blocker.h" +#include "trace-root.h" #define TYPE_VFIO_PCI "vfio-pci" #define PCI_VFIO(obj) OBJECT_CHECK(VFIOPCIDevice, obj, TYPE_VFIO_PCI) diff --git a/hw/vfio/trace-events b/hw/vfio/trace-events index 10d899c..83cd0a6 100644 --- a/hw/vfio/trace-events +++ b/hw/vfio/trace-events @@ -25,7 +25,7 @@ vfio_pci_size_rom(const char *name, int size) "%s ROM size 0x%x" vfio_vga_write(uint64_t addr, uint64_t data, int size) " (0x%"PRIx64", 0x%"PRIx64", %d)" vfio_vga_read(uint64_t addr, int size, uint64_t data) " (0x%"PRIx64", %d) = 0x%"PRIx64 vfio_pci_read_config(const char *name, int addr, int len, int val) " (%s, @0x%x, len=0x%x) 0x%x" -vfio_pci_write_config(const char *name, int addr, int val, int len) " (%s, @0x%x, 0x%x, len=0x%x)" +vfio_pci_write_config(const char *name, int addr, int val, int len) "(%s, @0x%x, 0x%x, 0x%xB)" vfio_msi_setup(const char *name, int pos) "%s PCI MSI CAP @0x%x" vfio_msix_early_setup(const char *name, int pos, int table_bar, int offset, int entries) "%s PCI MSI-X CAP @0x%x, BAR %d, offset 0x%x, entries %d" vfio_check_pcie_flr(const char *name) "%s Supports FLR via PCIe cap" @@ -37,7 +37,7 @@ vfio_pci_hot_reset_dep_devices(int domain, int bus, int slot, int function, int vfio_pci_hot_reset_result(const char *name, const char *result) "%s hot reset: %s" vfio_populate_device_config(const char *name, unsigned long size, unsigned long offset, unsigned long flags) "Device %s config:\n size: 0x%lx, offset: 0x%lx, flags: 0x%lx" vfio_populate_device_get_irq_info_failure(const char *errstr) "VFIO_DEVICE_GET_IRQ_INFO failure: %s" -vfio_realize(const char *name, int group_id) " (%s) group %d" +vfio_realize(const char *name, int group_id) "(%s) group %d" vfio_mdev(const char *name, bool is_mdev) " (%s) is_mdev %d" vfio_add_ext_cap_dropped(const char *name, uint16_t cap, uint16_t offset) "%s 0x%x@0x%x" vfio_pci_reset(const char *name) " (%s)" @@ -109,7 +109,7 @@ vfio_get_device(const char * name, unsigned int flags, unsigned int num_regions, vfio_put_base_device(int fd) "close vdev->fd=%d" vfio_region_setup(const char *dev, int index, const char *name, unsigned long flags, unsigned long offset, unsigned long size) "Device %s, region %d \"%s\", flags: 0x%lx, offset: 0x%lx, size: 0x%lx" vfio_region_mmap_fault(const char *name, int index, unsigned long offset, unsigned long size, int fault) "Region %s mmaps[%d], [0x%lx - 0x%lx], fault: %d" -vfio_region_mmap(const char *name, unsigned long offset, unsigned long end) "Region %s [0x%lx - 0x%lx]" +vfio_region_mmap(const char *name, unsigned long offset, unsigned long end, void *addr) "%s [0x%lx - 0x%lx] maps to %p" vfio_region_exit(const char *name, int index) "Device %s, region %d" vfio_region_finalize(const char *name, int index) "Device %s, region %d" vfio_region_mmaps_set_enabled(const char *name, bool enabled) "Region %s mmaps enabled: %d" @@ -117,6 +117,9 @@ vfio_region_sparse_mmap_header(const char *name, int index, int nr_areas) "Devic vfio_region_sparse_mmap_entry(int i, unsigned long start, unsigned long end) "sparse entry %d [0x%lx - 0x%lx]" vfio_get_dev_region(const char *name, int index, uint32_t type, uint32_t subtype) "%s index %d, %08x/%0x8" vfio_dma_unmap_overflow_workaround(void) "" +vfio_dma_unmap(int fd, uint64_t iova, uint64_t size) "fd %d, iova 0x%"PRIx64", len 0x%"PRIx64 +vfio_dma_map(int fd, uint64_t iova, uint64_t size, void *addr, const char *access) "fd %d, iova 0x%"PRIx64", len 0x%"PRIx64", va %p, %s" +vfio_region(const char *name, int index, uint64_t offset, uint64_t size, int cap_offset, int flags) "%s [%d]: +0x%"PRIx64", 0x%"PRIx64"B, cap +0x%x, flags 0x%x" # platform.c vfio_platform_base_device_init(char *name, int groupid) "%s belongs to group #%d" diff --git a/trace-events b/trace-events index 42107eb..98589a4 100644 --- a/trace-events +++ b/trace-events @@ -107,6 +107,8 @@ qmp_job_complete(void *job) "job %p" qmp_job_finalize(void *job) "job %p" qmp_job_dismiss(void *job) "job %p" +# exec.c +ram_block_add(void *host, uint64_t maxlen, const char *name, const char *mode) "host=%p, maxlen=0x%"PRIx64", mr = {name=%s, %s}" ### Guest events, keep at bottom
Print more info for existing trace points: trace_kvm_irqchip_add_msi_route. trace_pci_update_mappings_del trace_pci_update_mappings_add Add new trace points: trace_kvm_irqchip_assign_irqfd trace_msix_table_mmio_write trace_vfio_dma_unmap trace_vfio_dma_map trace_vfio_region trace_vfio_descriptors trace_ram_block_add Signed-off-by: Steve Sistare <steven.sistare@oracle.com> --- accel/kvm/kvm-all.c | 8 ++++++-- accel/kvm/trace-events | 3 ++- exec.c | 3 +++ hw/pci/msix.c | 1 + hw/pci/pci.c | 10 ++++++---- hw/pci/trace-events | 5 +++-- hw/vfio/common.c | 16 +++++++++++++++- hw/vfio/pci.c | 1 + hw/vfio/trace-events | 9 ++++++--- trace-events | 2 ++ 10 files changed, 45 insertions(+), 13 deletions(-)