Merge "msm: kgsl: Add a section to list memory entries in snapshot"
diff --git a/drivers/gpu/msm/adreno_snapshot.c b/drivers/gpu/msm/adreno_snapshot.c
index c8229e7..0669f02 100644
--- a/drivers/gpu/msm/adreno_snapshot.c
+++ b/drivers/gpu/msm/adreno_snapshot.c
@@ -786,6 +786,64 @@
return size + sizeof(*header);
}
+static int snapshot_capture_mem_list(struct kgsl_device *device, void *snapshot,
+ int remain, void *priv)
+{
+ struct kgsl_snapshot_replay_mem_list *header = snapshot;
+ struct kgsl_process_private *private;
+ unsigned int ptbase;
+ struct rb_node *node;
+ struct kgsl_mem_entry *entry = NULL;
+ int num_mem;
+ unsigned int *data = snapshot + sizeof(*header);
+
+ ptbase = kgsl_mmu_get_current_ptbase(&device->mmu);
+ mutex_lock(&kgsl_driver.process_mutex);
+ list_for_each_entry(private, &kgsl_driver.process_list, list) {
+ if (kgsl_mmu_pt_equal(&device->mmu, private->pagetable,
+ ptbase))
+ break;
+ }
+ mutex_unlock(&kgsl_driver.process_mutex);
+ if (!private) {
+ KGSL_DRV_ERR(device,
+ "Failed to get pointer to process private structure\n");
+ return 0;
+ }
+ /* We need to know the number of memory objects that the process has */
+ spin_lock(&private->mem_lock);
+ for (node = rb_first(&private->mem_rb), num_mem = 0; node; ) {
+ entry = rb_entry(node, struct kgsl_mem_entry, node);
+ node = rb_next(&entry->node);
+ num_mem++;
+ }
+
+ if (remain < ((num_mem * 3 * sizeof(unsigned int)) +
+ sizeof(*header))) {
+ KGSL_DRV_ERR(device,
+ "snapshot: Not enough memory for the mem list section");
+ spin_unlock(&private->mem_lock);
+ return 0;
+ }
+ header->num_entries = num_mem;
+ header->ptbase = ptbase;
+ /*
+ * Walk throught the memory list and store the
+ * tuples(gpuaddr, size, memtype) in snapshot
+ */
+ for (node = rb_first(&private->mem_rb); node; ) {
+ entry = rb_entry(node, struct kgsl_mem_entry, node);
+ node = rb_next(&entry->node);
+
+ *data++ = entry->memdesc.gpuaddr;
+ *data++ = entry->memdesc.size;
+ *data++ = (entry->memdesc.priv & KGSL_MEMTYPE_MASK) >>
+ KGSL_MEMTYPE_SHIFT;
+ }
+ spin_unlock(&private->mem_lock);
+ return sizeof(*header) + (num_mem * 3 * sizeof(unsigned int));
+}
+
/* Snapshot the memory for an indirect buffer */
static int snapshot_ib(struct kgsl_device *device, void *snapshot,
int remain, void *priv)
@@ -889,6 +947,13 @@
snapshot, remain, snapshot_rb, NULL);
/*
+ * Add a section that lists (gpuaddr, size, memtype) tuples of the
+ * hanging process
+ */
+ snapshot = kgsl_snapshot_add_section(device,
+ KGSL_SNAPSHOT_SECTION_MEMLIST, snapshot, remain,
+ snapshot_capture_mem_list, NULL);
+ /*
* Make sure that the last IB1 that was being executed is dumped.
* Since this was the last IB1 that was processed, we should have
* already added it to the list during the ringbuffer parse but we
diff --git a/drivers/gpu/msm/kgsl_snapshot.h b/drivers/gpu/msm/kgsl_snapshot.h
index 327d18a..4db2815 100644
--- a/drivers/gpu/msm/kgsl_snapshot.h
+++ b/drivers/gpu/msm/kgsl_snapshot.h
@@ -52,6 +52,7 @@
#define KGSL_SNAPSHOT_SECTION_DEBUG 0x0901
#define KGSL_SNAPSHOT_SECTION_DEBUGBUS 0x0A01
#define KGSL_SNAPSHOT_SECTION_GPU_OBJECT 0x0B01
+#define KGSL_SNAPSHOT_SECTION_MEMLIST 0x0E01
#define KGSL_SNAPSHOT_SECTION_END 0xFFFF
@@ -103,6 +104,17 @@
int count; /* Number of dwords in the dump */
} __packed;
+/* Replay or Memory list section, both sections have same header */
+struct kgsl_snapshot_replay_mem_list {
+ /*
+ * Number of IBs to replay for replay section or
+ * number of memory list entries for mem list section
+ */
+ int num_entries;
+ /* Pagetable base to which the replay IBs or memory entries belong */
+ __u32 ptbase;
+} __packed;
+
/* Indirect buffer sub-section header */
struct kgsl_snapshot_ib {
__u32 gpuaddr; /* GPU address of the the IB */