Backport: stacktrace unwind improvementImprove stacktrace unwind - #153

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changruinj wants to merge 33 commits into

openvelinux:opensource-lts_upgrade_6.6.151-2026-08-21_20-50-15from

changruinj:improve-stacktrace-unwind

Commits on Sep 16, 2026

arm64: stacktrace: factor out kernel unwind state

mrutland-arm
authored and
changruinj
committed
62ebeb0
arm64: stacktrace: factor out kunwind_stack_walk()

mrutland-arm
authored and
changruinj
committed
b12c94f
arm64: prohibit probing on arch_kunwind_consume_entry()

puranjaymohan
authored and
changruinj
committed
c4aba25
function_graph: Convert ret_stack to a series of longs

rostedt
authored and
changruinj
committed
82ffa8c
fgraph: Use BUILD_BUG_ON() to make sure we have structures divisible by long

rostedt
authored and
changruinj
committed
3018b72
function_graph: Add an array structure that will allow multiple callbacks

rostedt
authored and
changruinj
committed
c02ffc6
function_graph: Allow multiple users to attach to function graph

rostedt
authored and
changruinj
committed
2f27848
function_graph: Handle tail calls for stack unwinding

mhiramat
authored and
changruinj
committed
f204652
function_graph: Fix up ftrace_graph_ret_addr()

rostedt
authored and
changruinj
committed
65ae849
arm64: stacktrace: fix the usage of ftrace_graph_ret_addr()

puranjaymohan
authored and
changruinj
committed
54a4607
function_graph: Fix the ret_stack used by ftrace_graph_ret_addr()

petrpavlu
authored and
changruinj
committed
a1a630b
fgraph: Allocate ret_stack_list with proper size

rostedt
authored and
changruinj
committed
4a67c05
arm64: pt_regs: assert pt_regs is a multiple of 16 bytes

mrutland-arm
authored and
changruinj
committed
77a470e
arm64: pt_regs: remove stale big-endian layout

mrutland-arm
authored and
changruinj
committed
bae5957
arm64: pt_regs: rename "pmr_save" -> "pmr"

mrutland-arm
authored and
changruinj
committed
c516274
arm64: pt_regs: swap 'unused' and 'pmr' fields

mrutland-arm
authored and
changruinj
committed
1b27190
arm64: use a common struct frame_record

mrutland-arm
authored and
changruinj
committed
e895e28
arm64: stacktrace: move dump_backtrace() to kunwind_stack_walk()

mrutland-arm
authored and
changruinj
committed
1c68ce2
arm64: stacktrace: report source of unwind data

mrutland-arm
authored and
changruinj
committed
5f4b17e
arm64: stacktrace: report recovered PCs

mrutland-arm
authored and
changruinj
committed
60894f5
arm64: stacktrace: split unwind_consume_stack()

mrutland-arm
authored and
changruinj
committed
e66123a
arm64: stacktrace: unwind exception boundaries

mrutland-arm
authored and
changruinj
committed
9aab02d
arm64: preserve pt_regs::stackframe during exec*()

mrutland-arm
authored and
changruinj
committed
fcbcb51
arm64: disable ARCH_CORRECT_STACKTRACE_ON_KRETPROBE tests

mrutland-arm
authored and
changruinj
committed
609d008
arm64: stacktrace: Skip reporting LR at exception boundaries

mrutland-arm
authored and
changruinj
committed
3c032ba
arm64: stacktrace: Don't WARN when unwinding other tasks

mrutland-arm
authored and
changruinj
committed
dcb58ac
arm64: stacktrace: Check kretprobe_find_ret_addr() return value

mrutland-arm
authored and
changruinj
committed
61fb75b
scripts/decode_stacktrace.sh: remove trailing space

leitao
authored and
changruinj
committed
ccf7891
scripts/decode_stacktrace.sh: fix decoding of lines with an additional info

lucaceresoli
authored and
changruinj
committed
6a2c315
scripts/decode_stacktrace.sh: symbol: avoid trailing whitespaces

matttbe
authored and
changruinj
committed
da5c1ab
scripts/decode_stacktrace.sh: symbol: preserve alignment

matttbe
authored and
changruinj
committed
d8aed49
scripts/decode_stacktrace.sh: code: preserve alignment

matttbe
authored and
changruinj
committed
0e16ba1
scripts/decode_stacktrace.sh: fix build ID and PC source parsing

Carlos Llamas
authored and
changruinj
committed
7d7feae

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Backport: stacktrace unwind improvementImprove stacktrace unwind - #153

Backport: stacktrace unwind improvementImprove stacktrace unwind#153
changruinj wants to merge 33 commits into
openvelinux:opensource-lts_upgrade_6.6.151-2026-08-21_20-50-15from
changruinj:improve-stacktrace-unwind

Commits on Sep 16, 2026

arm64: stacktrace: factor out kernel unwind state

arm64: stacktrace: factor out kunwind_stack_walk()

arm64: prohibit probing on arch_kunwind_consume_entry()

function_graph: Convert ret_stack to a series of longs

fgraph: Use BUILD_BUG_ON() to make sure we have structures divisible by long

function_graph: Add an array structure that will allow multiple callbacks

function_graph: Allow multiple users to attach to function graph

function_graph: Handle tail calls for stack unwinding

function_graph: Fix up ftrace_graph_ret_addr()

arm64: stacktrace: fix the usage of ftrace_graph_ret_addr()

function_graph: Fix the ret_stack used by ftrace_graph_ret_addr()

fgraph: Allocate ret_stack_list with proper size

arm64: pt_regs: assert pt_regs is a multiple of 16 bytes

arm64: pt_regs: remove stale big-endian layout

arm64: pt_regs: rename "pmr_save" -> "pmr"

arm64: pt_regs: swap 'unused' and 'pmr' fields

arm64: use a common struct frame_record

arm64: stacktrace: move dump_backtrace() to kunwind_stack_walk()

arm64: stacktrace: report source of unwind data

arm64: stacktrace: report recovered PCs

arm64: stacktrace: split unwind_consume_stack()

arm64: stacktrace: unwind exception boundaries

arm64: preserve pt_regs::stackframe during exec*()

arm64: disable ARCH_CORRECT_STACKTRACE_ON_KRETPROBE tests

arm64: stacktrace: Skip reporting LR at exception boundaries

arm64: stacktrace: Don't WARN when unwinding other tasks

arm64: stacktrace: Check kretprobe_find_ret_addr() return value

scripts/decode_stacktrace.sh: remove trailing space

scripts/decode_stacktrace.sh: fix decoding of lines with an additional info

scripts/decode_stacktrace.sh: symbol: avoid trailing whitespaces

scripts/decode_stacktrace.sh: symbol: preserve alignment

scripts/decode_stacktrace.sh: code: preserve alignment

scripts/decode_stacktrace.sh: fix build ID and PC source parsing