igvm: add trace points for igvm file loading and processing

Reviewed-by: Ani Sinha <anisinha@redhat.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Reviewed-by: Luigi Leonardi <leonardi@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-ID: <20260126123755.357378-5-kraxel@redhat.com>

diff --git a/backends/igvm.c b/backends/igvm.c
index a01e01a12a608e45aff7e06b6aa93c8531504ffc..4cf7b572347c3af3667c42b53b94f70bc863a246 100644 (file)
--- a/backends/igvm.c
+++ b/backends/igvm.c
@@ -20,6 +20,8 @@
 #include "system/address-spaces.h"
 #include "hw/core/cpu.h"
 
+#include "trace.h"
+
 #include <igvm/igvm.h>
 #include <igvm/igvm_defs.h>
 
@@ -886,6 +888,8 @@ IgvmHandle qigvm_file_init(char *filename, Error **errp)
         error_setg(errp, "Unable to parse IGVM file %s: %d", filename, igvm);
         return -1;
     }
+
+    trace_igvm_file_loaded(filename, igvm);
     return igvm;
 }
 
@@ -903,6 +907,7 @@ int qigvm_process_file(IgvmCfg *cfg, ConfidentialGuestSupport *cgs,
         return -1;
     }
     ctx.file = cfg->file;
+    trace_igvm_process_file(cfg->file, onlyVpContext);
 
     /*
      * The ConfidentialGuestSupport object is optional and allows a confidential

diff --git a/backends/trace-events b/backends/trace-events
index 87e0c636ec02cd08bcb155050c10674da8fd90ae..8dc64a20d3d979983b4b4e407216a95cf2661f25 100644 (file)
--- a/backends/trace-events
+++ b/backends/trace-events
@@ -28,3 +28,5 @@ iommufd_backend_alloc_vdev(int iommufd, uint32_t dev_id, uint32_t viommu_id, uin
 igvm_reset_enter(int type) "type=%u"
 igvm_reset_hold(int type) "type=%u"
 igvm_reset_exit(int type) "type=%u"
+igvm_file_loaded(const char *fn, int32_t handle) "fn=%s, handle=0x%x"
+igvm_process_file(int32_t handle, bool context_only) "handle=0x%x context-only=%d"