Changeset 90597 in vbox for trunk/include

Timestamp:

Aug 10, 2021 1:08:35 PM (4 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

146208

Message:

VMM: Speed up VMMGetCpu in ring-0 by using hash table (via new GVMMR0GetGVCpuByGVMandEMT call). bugref:6695

Location:

trunk/include/VBox/vmm

Files:

• gvm.h (modified) (1 diff)
• gvm.mac (modified) (1 diff)
• gvmm.h (modified) (1 diff)
• vm.h (modified) (2 diffs)
• vm.mac (modified) (1 diff)

trunk/include/VBox/vmm/gvm.h

@@ -193 +193 @@
         struct GVMMPERVM    s;
 #endif
-        uint8_t             padding[256];
+        uint8_t             padding[4352];
     } gvmm;
 

trunk/include/VBox/vmm/gvm.mac

@@ -67 +67 @@
 
         alignb 64
-        .gvmm               resb 256
+        .gvmm               resb 4352
         alignb 64
         .gmm                resb 1024

trunk/include/VBox/vmm/gvmm.h

@@ -188 +188 @@
 GVMMR0DECL(PVMCC)   GVMMR0GetVMByEMT(RTNATIVETHREAD hEMT);
 GVMMR0DECL(PGVMCPU) GVMMR0GetGVCpuByEMT(RTNATIVETHREAD hEMT);
+GVMMR0DECL(PGVMCPU) GVMMR0GetGVCpuByGVMandEMT(PGVM pGVM, RTNATIVETHREAD hEMT);
 GVMMR0DECL(int)     GVMMR0SchedHalt(PGVM pGVM, PGVMCPU pGVCpu, uint64_t u64ExpireGipTime);
 GVMMR0DECL(int)     GVMMR0SchedHaltReq(PGVM pGVM, VMCPUID idCpu, uint64_t u64ExpireGipTime);

trunk/include/VBox/vmm/vm.h

@@ -275 +275 @@
     /** Trace groups enable flags.  */
     uint32_t                fTraceGroups;                           /* 64 / 44 */
-    /** State data for use by ad hoc profiling. */
-    uint32_t                uAdHoc;
+    /** Number of collisions hashing the ring-0 EMT handle. */
+    uint8_t                 cEmtHashCollisions;
+    uint8_t                 abAdHoc[3];
     /** Profiling samples for use by ad hoc profiling. */
     STAMPROFILEADV          aStatAdHoc[8];                          /* size: 40*8 = 320 */
@@ -1240 +1241 @@
     /** @} */
 
+    /** Max EMT hash lookup collisions (in GVMM). */
+    uint8_t                     cMaxEmtHashCollisions;
+
     /** Padding - the unions must be aligned on a 64 bytes boundary. */
-    uint8_t                     abAlignment3[HC_ARCH_BITS == 64 ? 24 : 52];
+    uint8_t                     abAlignment3[HC_ARCH_BITS == 64 ? 23 : 51];
 
     /** CPUM part. */

trunk/include/VBox/vmm/vm.mac

@@ -83 +83 @@
     alignb 64
     .fTraceGroups           resd 1
-    .uAdHoc                 resd 1
+    .cEmtHashCollisions     resb 1
+    .abAdHoc                resb 3
     alignb 8
     .aStatAdHoc             resb STAMPROFILEADV_size * 8