Changeset 8eec3c8 in mainline for kernel/generic/include

Timestamp:

2010-06-10T14:24:50Z (15 years ago)

Author:

Martin Decky <martin@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

c0f13d2

Parents:

1113c9e

Message:

merge basic exception accounting (this is the last piece missing from the original "measure" branch by Stanislav Kozina)

Location:

kernel/generic/include

Files:

• interrupt.h (modified) (1 diff)
• sysinfo/abi.h (modified) (2 diffs)

kernel/generic/include/interrupt.h

@@ -46 +46 @@
 typedef void (* iroutine)(int, istate_t *);
 
+typedef struct {
+        const char *name;
+        iroutine f;
+        uint64_t cycles;
+        uint64_t count;
+} exc_table_t;
+
+IRQ_SPINLOCK_EXTERN(exctbl_lock);
+extern exc_table_t exc_table[];
+
 extern void fault_if_from_uspace(istate_t *, const char *, ...);
 extern iroutine exc_register(int, const char *, iroutine);

kernel/generic/include/sysinfo/abi.h

@@ -40 +40 @@
 #define LOAD_STEPS  3
 
-/** Maximum task name size */
+/** Maximum name sizes */
 #define TASK_NAME_BUFLEN  20
+#define EXC_NAME_BUFLEN   20
 
 /** Thread states */
@@ -123 +124 @@
 } stats_thread_t;
 
+/** Statistics about a single exception
+ *
+ */
+typedef struct {
+        unsigned int id;             /**< Exception ID */
+        char desc[EXC_NAME_BUFLEN];  /**< Description */
+        uint64_t cycles;             /**< Number of CPU cycles in the handler */
+        uint64_t count;              /**< Number of handled exceptions */
+} stats_exc_t;
+
 /** Load fixed-point value */
 typedef uint32_t load_t;