summaryrefslogtreecommitdiffstats
path: root/tools/perf/util/jitdump.h
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2026-08-19 10:09:22 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2026-08-19 10:09:22 -0700
commitf4cdf7ca9a1fdcca413157df19753f388a5a224e (patch)
tree60a31895b2446cd7fa27514e8c2843534a0de0da /tools/perf/util/jitdump.h
downloadlinux-stable-f4cdf7ca9a1fdcca413157df19753f388a5a224e.tar.gz
linux-stable-f4cdf7ca9a1fdcca413157df19753f388a5a224e.zip
Merge tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-mediagrafted
Pull media updates from Mauro Carvalho Chehab: - v4l2-core: added ISP statistics support and per-block validation - v4l2-core: Allow unknown HDR10 white point and luminance - New camera sensors: Sony IMX678 and IMX471m, Himax HM1092 IR sensor - New codec: Milos: VPU v2.0 codec support - isp driver: gained support for Dreamchip RPPX1 ISP framework - vsp1 driver: gained support for RZ/T2H and RZ/N2H - Novalake driver: gained CVS support for new NVL hardware - dvb-core: fix feed leak on failed DMX_ADD_PID - several driver fixes, cleanups and minor improvements * tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (308 commits) media: ipu-bridge: check all DMI entries when overriding sensor rotation media: v4l2-async: avoid deleting unlinked ASC entry on link error media: rzg2l-cru: Align bytesperline to hardware DMA stride requirement media: intel/ipu6: fix async notifier cleanup leak on parse error media: staging/ipu7: fix async notifier UAF on probe error path media: amd: isp4: fix self-deadlock in isp4sd_pwron_and_init() error path media: amd: isp4: release partial allocations in isp4if_alloc_fw_gpumem() media: rcar-isp: Fix VSPX reference leaks media: rcar-isp: Release ISPCORE resources media: i2c: imx415: Release runtime PM reference on VBLANK error media: i2c: imx415: Return test pattern write errors media: renesas: vsp1: Declare index variables in for loop statement media: renesas: vsp1: Make reset control optional to support platforms without a reset line media: dt-bindings: media: renesas,vsp1: Document RZ/T2H and RZ/N2H SoCs media: dt-bindings: media: renesas,fcp: Document RZ/T2H and RZ/N2H SoCs media: nxp: imx8-isi: Add additional 32-bit RGB format support media: nxp: imx8-isi: Add 16-bit raw Bayer format support media: nxp: imx8-isi: Implement per-stream reference counting for multiplexed streams media: nxp: imx8-isi: Use BIT_ULL() for 64-bit stream masks media: nxp: imx8-isi: Correct color map between V4L2 and ISI ...
Diffstat (limited to 'tools/perf/util/jitdump.h')
-rw-r--r--tools/perf/util/jitdump.h139
1 files changed, 139 insertions, 0 deletions
diff --git a/tools/perf/util/jitdump.h b/tools/perf/util/jitdump.h
new file mode 100644
index 000000000..f57bfebb2
--- /dev/null
+++ b/tools/perf/util/jitdump.h
@@ -0,0 +1,139 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * jitdump.h: jitted code info encapsulation file format
+ *
+ * Adapted from OProfile GPLv2 support jidump.h:
+ * Copyright 2007 OProfile authors
+ * Jens Wilke
+ * Daniel Hansel
+ * Copyright IBM Corporation 2007
+ */
+#ifndef JITDUMP_H
+#define JITDUMP_H
+
+#include <stdint.h>
+#include <string.h>
+
+/* JiTD */
+#define JITHEADER_MAGIC 0x4A695444
+#define JITHEADER_MAGIC_SW 0x4454694A
+
+#define PADDING_8ALIGNED(x) ((((x) + 7) & 7) ^ 7)
+#define ALIGN_8(x) (((x) + 7) & (~7))
+
+#define JITHEADER_VERSION 1
+
+enum jitdump_flags_bits {
+ JITDUMP_FLAGS_ARCH_TIMESTAMP_BIT,
+ JITDUMP_FLAGS_MAX_BIT,
+};
+
+#define JITDUMP_FLAGS_ARCH_TIMESTAMP (1ULL << JITDUMP_FLAGS_ARCH_TIMESTAMP_BIT)
+
+#define JITDUMP_FLAGS_RESERVED (JITDUMP_FLAGS_MAX_BIT < 64 ? \
+ (~((1ULL << JITDUMP_FLAGS_MAX_BIT) - 1)) : 0)
+
+struct jitheader {
+ uint32_t magic; /* characters "jItD" */
+ uint32_t version; /* header version */
+ uint32_t total_size; /* total size of header */
+ uint32_t elf_mach; /* elf mach target */
+ uint32_t pad1; /* reserved */
+ uint32_t pid; /* JIT process id */
+ uint64_t timestamp; /* timestamp */
+ uint64_t flags; /* flags */
+};
+
+enum jit_record_type {
+ JIT_CODE_LOAD = 0,
+ JIT_CODE_MOVE = 1,
+ JIT_CODE_DEBUG_INFO = 2,
+ JIT_CODE_CLOSE = 3,
+ JIT_CODE_UNWINDING_INFO = 4,
+
+ JIT_CODE_MAX,
+};
+
+/* record prefix (mandatory in each record) */
+struct jr_prefix {
+ uint32_t id;
+ uint32_t total_size;
+ uint64_t timestamp;
+};
+
+struct jr_code_load {
+ struct jr_prefix p;
+
+ uint32_t pid;
+ uint32_t tid;
+ uint64_t vma;
+ uint64_t code_addr;
+ uint64_t code_size;
+ uint64_t code_index;
+};
+
+struct jr_code_close {
+ struct jr_prefix p;
+};
+
+struct jr_code_move {
+ struct jr_prefix p;
+
+ uint32_t pid;
+ uint32_t tid;
+ uint64_t vma;
+ uint64_t old_code_addr;
+ uint64_t new_code_addr;
+ uint64_t code_size;
+ uint64_t code_index;
+};
+
+struct debug_entry {
+ uint64_t addr;
+ int lineno; /* source line number starting at 1 */
+ int discrim; /* column discriminator, 0 is default */
+ const char name[]; /* null terminated filename, \xff\0 if same as previous entry */
+};
+
+struct jr_code_debug_info {
+ struct jr_prefix p;
+
+ uint64_t code_addr;
+ uint64_t nr_entry;
+ struct debug_entry entries[];
+};
+
+struct jr_code_unwinding_info {
+ struct jr_prefix p;
+
+ uint64_t unwinding_size;
+ uint64_t eh_frame_hdr_size;
+ uint64_t mapped_size;
+ const char unwinding_data[];
+};
+
+union jr_entry {
+ struct jr_code_debug_info info;
+ struct jr_code_close close;
+ struct jr_code_load load;
+ struct jr_code_move move;
+ struct jr_prefix prefix;
+ struct jr_code_unwinding_info unwinding;
+};
+
+static inline struct debug_entry *
+debug_entry_next(struct debug_entry *ent)
+{
+ void *a = ent + 1;
+ size_t l = strlen(ent->name) + 1;
+ return a + l;
+}
+
+static inline char *
+debug_entry_file(struct debug_entry *ent)
+{
+ void *a = ent + 1;
+ return a;
+}
+
+#endif /* !JITDUMP_H */