misc: tegra-profiler: sample multiple processes

- Sample multiple processes. Add a few new modes.
- Fix possible crash in d_path() during multiple execs.

Bug 2104957
Bug 2100416

Change-Id: Iab1568de9365e1c719b45c65f490bbd212995b69
Signed-off-by: Igor Nabirushkin <inabirushkin@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1696670
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Dmitry Antipov <dantipov@nvidia.com>
Reviewed-by: Sachin Nikam <snikam@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 39 insertions, 29 deletions

diff --git a/include/linux/tegra_profiler.h b/include/linux/tegra_profiler.h
index d101ccc1a..2b08a2f90 100644
--- a/include/linux/tegra_profiler.h
+++ b/include/linux/tegra_profiler.h
@@ -19,8 +19,8 @@
 
 #include <linux/ioctl.h>
 
-#define QUADD_SAMPLES_VERSION   42
-#define QUADD_IO_VERSION        24
+#define QUADD_SAMPLES_VERSION   43
+#define QUADD_IO_VERSION        25
 
 #define QUADD_IO_VERSION_DYNAMIC_RB             5
 #define QUADD_IO_VERSION_RB_MAX_FILL_COUNT      6
@@ -42,33 +42,35 @@
 #define QUADD_IO_VERSION_RAW_EVENTS             22
 #define QUADD_IO_VERSION_SAMPLING_MODE          23
 #define QUADD_IO_VERSION_FORCE_ARCH_TIMER       24
-
-#define QUADD_SAMPLE_VERSION_THUMB_MODE_FLAG    17
-#define QUADD_SAMPLE_VERSION_GROUP_SAMPLES      18
-#define QUADD_SAMPLE_VERSION_THREAD_STATE_FLD   19
-#define QUADD_SAMPLE_VERSION_BT_UNWIND_TABLES   22
-#define QUADD_SAMPLE_VERSION_SUPPORT_IP64       23
-#define QUADD_SAMPLE_VERSION_SPECIAL_MMAP       24
-#define QUADD_SAMPLE_VERSION_UNWIND_MIXED       25
-#define QUADD_SAMPLE_VERSION_UNW_ENTRY_TYPE     26
-#define QUADD_SAMPLE_VERSION_USE_ARCH_TIMER     27
-#define QUADD_SAMPLE_VERSION_SCHED_SAMPLES      28
-#define QUADD_SAMPLE_VERSION_HDR_UNW_METHOD     29
-#define QUADD_SAMPLE_VERSION_HDR_ARCH_TIMER     30
-#define QUADD_SAMPLE_VERSION_STACK_OFFSET       31
-#define QUADD_SAMPLE_VERSION_SCHED_TASK_STATE   32
-#define QUADD_SAMPLE_VERSION_URCS               33
-#define QUADD_SAMPLE_VERSION_HOTPLUG            34
-#define QUADD_SAMPLE_VERSION_PER_CPU_SETUP      35
-#define QUADD_SAMPLE_VERSION_REPORT_TGID        36
-#define QUADD_SAMPLE_VERSION_MMAP_TS            37
-#define QUADD_SAMPLE_VERSION_RAW_EVENTS         38
-#define QUADD_SAMPLE_VERSION_OVERHEAD_INFO      39
-#define QUADD_SAMPLE_VERSION_REPORT_VPID        40
-#define QUADD_SAMPLE_VERSION_SCHED_REPORT_VPID  41
-#define QUADD_SAMPLE_VERSION_SAMPLING_MODE      42
-
-#define QUADD_MMAP_HEADER_VERSION               1
+#define QUADD_IO_VERSION_SAMPLE_ALL_TASKS       25
+
+#define QUADD_SAMPLE_VERSION_THUMB_MODE_FLAG            17
+#define QUADD_SAMPLE_VERSION_GROUP_SAMPLES              18
+#define QUADD_SAMPLE_VERSION_THREAD_STATE_FLD           19
+#define QUADD_SAMPLE_VERSION_BT_UNWIND_TABLES           22
+#define QUADD_SAMPLE_VERSION_SUPPORT_IP64               23
+#define QUADD_SAMPLE_VERSION_SPECIAL_MMAP               24
+#define QUADD_SAMPLE_VERSION_UNWIND_MIXED               25
+#define QUADD_SAMPLE_VERSION_UNW_ENTRY_TYPE             26
+#define QUADD_SAMPLE_VERSION_USE_ARCH_TIMER             27
+#define QUADD_SAMPLE_VERSION_SCHED_SAMPLES              28
+#define QUADD_SAMPLE_VERSION_HDR_UNW_METHOD             29
+#define QUADD_SAMPLE_VERSION_HDR_ARCH_TIMER             30
+#define QUADD_SAMPLE_VERSION_STACK_OFFSET               31
+#define QUADD_SAMPLE_VERSION_SCHED_TASK_STATE           32
+#define QUADD_SAMPLE_VERSION_URCS                       33
+#define QUADD_SAMPLE_VERSION_HOTPLUG                    34
+#define QUADD_SAMPLE_VERSION_PER_CPU_SETUP              35
+#define QUADD_SAMPLE_VERSION_REPORT_TGID                36
+#define QUADD_SAMPLE_VERSION_MMAP_TS                    37
+#define QUADD_SAMPLE_VERSION_RAW_EVENTS                 38
+#define QUADD_SAMPLE_VERSION_OVERHEAD_INFO              39
+#define QUADD_SAMPLE_VERSION_REPORT_VPID                40
+#define QUADD_SAMPLE_VERSION_SCHED_REPORT_VPID          41
+#define QUADD_SAMPLE_VERSION_SAMPLING_MODE              42
+#define QUADD_SAMPLE_VERSION_SAMPLE_ALL_TASKS           43
+
+#define QUADD_MMAP_HEADER_VERSION       1
 
 #define QUADD_MAX_COUNTERS      32
 #define QUADD_MAX_PROCESS       64
@@ -359,6 +361,10 @@ struct quadd_debug_data {
 #define QUADD_HDR_HAS_CPUID             (1 << 6)
 #define QUADD_HDR_MODE_TRACE_ALL        (1 << 7)
 #define QUADD_HDR_MODE_SAMPLING         (1 << 8)
+#define QUADD_HDR_MODE_TRACING          (1 << 9)
+#define QUADD_HDR_MODE_SAMPLE_ALL       (1 << 10)
+#define QUADD_HDR_MODE_SAMPLE_TREE      (1 << 11)
+#define QUADD_HDR_MODE_TRACE_TREE       (1 << 12)
 
 struct quadd_header_data {
         u16 magic;
@@ -419,6 +425,10 @@ enum {
 #define QUADD_PARAM_EXTRA_PER_PMU_SETUP         (1 << 8)
 #define QUADD_PARAM_EXTRA_SAMPLING              (1 << 9)
 #define QUADD_PARAM_EXTRA_FORCE_ARCH_TIMER      (1 << 10)
+#define QUADD_PARAM_EXTRA_SAMPLE_ALL_TASKS      (1 << 11)
+#define QUADD_PARAM_EXTRA_SAMPLE_TREE           (1 << 12)
+#define QUADD_PARAM_EXTRA_TRACING               (1 << 13)
+#define QUADD_PARAM_EXTRA_TRACE_TREE            (1 << 14)
 
 enum {
         QUADD_EVENT_TYPE_RAW            = 0,