misc: tegra-profiler: add unwind information

[sojka/nv-tegra/linux-3.10.git] / drivers / misc / tegra-profiler / hrt.c

diff --git a/drivers/misc/tegra-profiler/hrt.c b/drivers/misc/tegra-profiler/hrt.c
index 8c2b6b706dc028163217f5639533ead177d3c7bb..9bbcb30c990378a85d998dc8a118584543197893 100644 (file)
--- a/drivers/misc/tegra-profiler/hrt.c
+++ b/drivers/misc/tegra-profiler/hrt.c
@@ -237,7 +237,7 @@ read_all_sources(struct pt_regs *regs, struct task_struct *task)
        int i, vec_idx = 0, bt_size = 0;
        int nr_events = 0, nr_positive_events = 0;
        struct pt_regs *user_regs;
-       struct quadd_iovec vec[4];
+       struct quadd_iovec vec[5];
        struct hrt_event_value events[QUADD_MAX_COUNTERS];
        u32 events_extra[QUADD_MAX_COUNTERS];
 
@@ -306,16 +306,22 @@ read_all_sources(struct pt_regs *regs, struct task_struct *task)
 #else
                        cc->cs_64 = 0;
 #endif
-                       bt_size += quadd_callchain_store(cc, pc);
+                       bt_size += quadd_callchain_store(cc, pc,
+                                                        QUADD_UNW_TYPE_KCTX);
                }
 
                if (bt_size > 0) {
                        int ip_size = cc->cs_64 ? sizeof(u64) : sizeof(u32);
+                       int nr_types = DIV_ROUND_UP(bt_size, 8);
 
                        vec[vec_idx].base = cc->cs_64 ?
                                (void *)cc->ip_64 : (void *)cc->ip_32;
                        vec[vec_idx].len = bt_size * ip_size;
                        vec_idx++;
+
+                       vec[vec_idx].base = cc->types;
+                       vec[vec_idx].len = nr_types * sizeof(cc->types[0]);
+                       vec_idx++;
                }
 
                extra_data |= cc->unw_method << QUADD_SED_UNW_METHOD_SHIFT;