From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: Namhyung Kim <namhyung@kernel.org>
Cc: Ingo Molnar <mingo@kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
James Clark <james.clark@linaro.org>,
Jiri Olsa <jolsa@kernel.org>, Ian Rogers <irogers@google.com>,
Adrian Hunter <adrian.hunter@intel.com>,
Clark Williams <williams@redhat.com>,
linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org,
Arnaldo Carvalho de Melo <acme@kernel.org>
Subject: [PATCH v6 0/12] perf tools: Annotate fixes, stdio progress indication, debuginfo-client in more places
Date: Wed, 16 Sep 2026 08:47:27 -0300 [thread overview]
Message-ID: <20260916114740.48230-1-acme@kernel.org> (raw)
Hi,
This came out of work on data type profiling, but none of them depends on that
work and nothing in this series needs anything from it, so sending them
separately.
The fixes:
- 'perf report -s type' spins forever, burning all of a CPU with no
output, on the dwz compressed debug info of zlib-ng (libz.so.1):
die_collect_vars() saves the dwarf_dieoffset() of the type DIE,
which is relative to the file that DIE lives in, the dwz common
file for the types shared by more than one CU, and resolving one of
those offsets in the main debug file does not fail, it parses
whatever is at that offset there, in this case a typedef whose
DW_AT_type refers to itself, which is what makes the "follow the
typedefs and qualifiers until a pointer or an array type" loop in
die_get_pointer_type() spin. The offset is now resolved in the file
it was recorded as coming from, which the CU of the collected DIE
tells exactly rather than having to be inferred from what is at the
offset, and the type chases and the struct/union member nesting are
bounded, so a debug info file broken in some other way makes perf
give up on a type with a pr_debug instead of looking like it hung
(patch 10);
- the data type browser prints, in its samples view (-n,
annotate.show_nr_samples), a local variable initialized to zero and
never updated, so every member shows up as having no samples while
the period and percent columns for the same entry are filled in
(patch 7);
- the 'perf data type profiling' shell test turns "this PMU cannot
record these events" into a test failure: the script runs under
'set -e', so the bare 'perf mem record' aborts it through the EXIT
trap, which reports a signal that never happened, instead of
reaching the code right below meant to report the failure (patch 1).
The features:
- 'perf report --progress' prints the phase it is in and how far
along it is to stderr: the TUI shows that with a progress bar, but
in the stdio case the ui_progress updates that are already there are
dropped on the floor. It is what makes a slow run tell itself apart
from a stuck one (patch 8);
- the debuginfo for a DSO, and the kernel symbols, can now be fetched
keyed by the build ID recorded in the perf.data file, using the
debuginfod client, for the cases where they are not available
locally under the name the DSO was opened with: a vmlinux for a
kernel that since got upgraded, or a profile recorded on another
machine. It is off with --no-debuginfod, with core.debuginfod=false,
and when the build-id cache is turned off (patch 2), opt-outs that
also clear DEBUGINFOD_URLS, that libdwfl's own debuginfod client
reads, so that it doesn't fetch behind perf's back;
- a fetch that ends up taking a while, e.g. that vmlinux, or one for
the vmlinux of a kernel profiled on another machine, doesn't leave
the user staring at a stuck looking terminal: in the stdio
interface, the progress is a line on stderr, in the TUI a window
over the browser, and 's' aborts the current fetch while remembering
the build ID, so that the rest of the session doesn't ask for it
again, the user may have skipped it for being too big; 'd'
additionally disables debuginfod for the rest of the session,
clearing DEBUGINFOD_URLS so that libdwfl's own client stops too, and
writes core.debuginfod=false into the configuration file perf is
using, ~/.perfconfig or the one named by PERF_CONFIG, making it
permanent. This is spread over three patches, with the move of
perf_config__set_variable() to util/config.c as a prep patch, the
stdio keys and the TUI window (patches 3 to 5);
- 'perf mem record' asks for PERF_SAMPLE_CPU by default, as without
it the cpu field is the (u32)-1 "no CPU info" sentinel and
per-sample analysis cannot tell accesses from different cores apart
from same-CPU traffic (patch 11), and uses the IBS swfilt software
privilege filter, when the kernel exposes it, so that per-thread
recording works where only system wide recording did (patch 12).
Which file a saved type DIE offset belongs to is settled with
dwarf_cu_getdwarf(), new in elfutils 0.160, so the libdw feature test
now probes for it and the message in Makefile.config says 0.160 where it
said 0.157: 0.157 to 0.159 is from 2014 and has no such symbol, and
those versions now lose dwarf support with that message instead of
failing to link util/dwarf-aux.c.
Best regards,
- Arnaldo
What changed from v5 (ef0ac8e44d43d2aa86842d2f83ad41d1c058d949):
PATCH 2/9, "perf debuginfo: Fetch debuginfo keyed by build ID using
debuginfod", was split [Namhyung Kim review of PATCH v3 2/8,
<aqdPNG6szS6YJjOi@google.com>]: the fetch stays in patch 2, the way
to get out of a slow fetch, that was folded at the end of patch 2 in
v5, is now patches 3 to 5, each separately cherry-pickable, and
carrying on their own the answer to his "I'm not sure what would be
the good default. But with this, it can slow down the process
especially when the binary is not in the debuginfod": on by default,
with the way to skip the one in progress and to disable the feature
right where the wait is felt. Patch 3, "perf config: Move
perf_config__set_variable() to util/config.c", is the prep patch,
patch 4, "perf debuginfo: Let the user skip and disable debuginfod
fetches", has the stdio 's'/'d' keys, and patch 5, "perf debuginfo:
Show the debuginfod fetch progress and keys in the TUI", the TUI
window over the browser.
PATCH 4/12, "perf debuginfo: Let the user skip and disable debuginfod
fetches" [that same review of the 'd' key semantics]:
- 'd' now writes core.debuginfod=false into the configuration file
directly, the user's ~/.perfconfig or the one named by PERF_CONFIG,
via perf_config__set_variable(), moved from builtin-config.c to
util/config.c by the prep patch so that util/debuginfo.c can use
it, and clears DEBUGINFOD_URLS so that libdwfl's own debuginfod
client stops for the rest of the session too: in v5 it only
disabled debuginfod for the rest of the session and pointed at
'perf config' to make that permanent.
PATCH 5/12, "perf debuginfo: Show the debuginfod fetch progress and
keys in the TUI":
- The progress and the keys are no longer stdio-only: printing to
stderr would garble the TUI browser display, so in v5 a fetch in
progress in the TUI showed nothing and there was no way to skip or
disable it, the thing that makes a slow fetch indistinguishable
from a stuck perf. The TUI now draws a window over the browser
with the fetch progress and drains the 's'/'d' keys from the TUI
input queue: the TUI owns the terminal and its input queue, and the
browser thread is the one doing the fetch, so nobody else is
reading from it while the fetch blocks it. No terminal settings or
signal dispositions are touched in that case, the terminal is the
TUI's own and so are the SIGINT/SIGTERM handlers, that restore it
before exiting.
- The slang calls stay in ui/tui/, behind the ui__key_pending()/
ui__key_read()/ui__progress_window()/ui__progress_window_end()
primitives declared in ui/util.h and implemented in ui/tui/util.c,
with inline stubs for builds without slang: the plan is to reduce
the number of libraries perf needs to build, or swap slang for
something else, such as ncurses, at some point, so nothing outside
ui/ calls slang directly. The text in the window is word wrapped
to the available columns, as constrained terminals, such as a
smartphone running termux, crop the tail of a long line and would
hide the 'd' option hint.
Patches 1, 3, 4, 5, 6, 7, 8 and 9 are unchanged from v5, renumbered
as 1, 6, 7, 8, 9, 10, 11 and 12 with the split.
What changed from v4 (f801de4e80289566):
PATCH 1/8, "perf test: Skip data_type_profiling when the PMU cannot
record memory events" [Namhyung Kim review of PATCH v3 1/8]:
- Namhyung suggested adding a fallback to the 'swfilt' term for
ibs_op instead of only skipping the test on a PMU that refuses
per-thread memory events. The new PATCH 9 does that for the ibs_op
memory events, using the swfilt software privilege filter the
kernel exposes as a format term since v6.14, which makes the
per-thread 'perf mem record' the test does work on AMD; the skip
stays for kernels without it. The term is in the event name even
for records that end up without exclude bits, e.g. plain system
wide ones: 'perf record' adds those bits itself when the first
open fails with EACCES, after the name was built, and the retry
only succeeds with the term already in the name:
$ perf record -v -e ibs_op/ldlat=0/ -- true
kernel.perf_event_paranoid=2, trying to fall back to excluding kernel and hypervisor samples
Failure to open event 'ibs_op/ldlat=0/u' on PMU 'ibs_op' which will be removed.
Invalid event (ibs_op/ldlat=0/u) in per-thread mode, enable system wide with '-a'.
with no exclude bits the kernel discards nothing. The 'Test data
symbol' shell test matches the event string, so its regex now
accepts terms added after ldlat=150.
PATCH 2/8, "perf debuginfo: Fetch debuginfo keyed by build ID using
debuginfod" [sashiko-bot review of PATCH v4 2/8]:
- debuginfod__setup_urls_env() moved from util/debuginfo.c to
util/util.c, next to perf_debuginfod_setup(), and its declaration
from util/debuginfo.h to util/util.h: debuginfo.o is only built with
CONFIG_LIBDW, so with libdebuginfod but without libdw the
declaration was an empty stub and the setup was skipped exactly for
build-id.c and probe-event.c, the debuginfod users that are built
without libdw and that the commit message lists as reading
DEBUGINFOD_URLS in every debuginfod_begin().
PATCH 8/8, "perf mem record: Request PERF_SAMPLE_CPU by default"
[sashiko-bot review of PATCH v4 8/8]:
- The rec_argv array now reserves room for the fixed arguments
__cmd_record() adds, up to eight with all the optional flags; a
pre-existing under-allocation, the array was nine arguments per
memory PMU plus the user arguments, and on a PMU with separate load
and store events the four event arguments plus the fixed ones
already filled it to the last slot, so this new --sample-cpu
argument would write past it, e.g. with --phys-data --data-page-size
--all-user.
Patches 1, 3, 4, 5, 6 and 7 are unchanged from v4: sashiko-bot found
no issues in them.
What changed from v3 (2433e9f0bf86cfc3):
PATCH 2/8, "perf debuginfo: Fetch debuginfo keyed by build ID using
debuginfod" [sashiko-bot review of PATCH v3 2/8]:
- DEBUGINFOD_URLS is no longer set from the fetch path: setenv() is
not thread safe and libdebuginfod reads it with getenv() in every
debuginfod_begin(), which perf also does from build-id.c,
probe-event.c and probe-finder.c, paths that don't go through the
fetch lock, so a thread taking one of them could race with the
setenv() a fetch was doing. This is now done from symbol__init(),
before the threads are started, from the .urls files in
/etc/debuginfod when it isn't set, and the pthread_once() and the
call in debuginfod__fetch() are gone with it.
- The in-flight fetch wait was dead code and is gone: with
debuginfod__fetch_lock held across the whole lookup and fetch, no
second thread could ever see an entry being fetched, so the
condition variable, the waiters and the publication dance could not
run. debuginfo_lookup__new() became debuginfo_lookup__add(), called
after a fetch that brought a file back: lookups remember only the
successful fetches, one entry each, answered with a strdup() and
re-fetched if that file goes away, and a request for a build ID
being fetched waits for the lock and is answered from the misses
list or from the entry, so a download still can't happen twice.
debuginfod__missed_lock, always taken under the fetch lock, is gone
with it.
PATCH 3/8, "perf symbol: Fall back to fetching the vmlinux by build ID"
[sashiko-bot review of PATCH v3 3/8]:
- The check for a concurrent load, made after taking dso->lock back
from the fetch, is now dso__has_symbols() and not dso__loaded():
dso__load() sets the latter even for an attempt that failed, so a
thread whose fetch failed could make a thread whose fetch succeeded
discard the vmlinux it just downloaded and carry on with an empty
kernel dso, as loaded is set and nothing would try again.
PATCH 6/8, "perf scripts: Add perf-stuck, to tell where a running perf
is stuck" [sashiko-bot review of PATCH v3 6/8]:
- The review asked whether the %s of a dwarf_diename() that returns
NULL in perf-die-chain would abort the macro. Checked, not changed:
with GDB 17.2, printf prints "(null)" for a NULL char *, including
for an inferior call returning one, and the macro carries on. The
other %s in the file, dloc->ms->sym->name in perf-dso, can't be NULL
either: the only caller of find_data_type() dereferences ms->sym and
ms->map to build the data_loc_info before that frame can exist, so
no change there as well.
- Patches 1, 4, 5, 7 and 8 are unchanged from v3: sashiko-bot found
no issues in them.
What changed from v2 (00cffc7df5abfa68):
PATCH 2/8, "perf debuginfo: Fetch debuginfo keyed by build ID using
debuginfod" [sashiko-bot review of PATCH v2 2/8]:
- The conditions to fetch, debuginfod being enabled, the build-id cache
being on and the build ID not having been a miss already, are now
looked at with the fetch lock held, as they are the state the fetch
itself changes: deciding them outside the lock and fetching inside it
let a second thread repeat the fetch the first one had just made, or
repeat one that had just been turned off, and put the same build ID
on the misses list twice.
- A build ID that is already being fetched is waited for, instead of
fetched again: there was nothing that said "this one is in flight", so
a second thread wanting it blocked on the fetch lock and then did its
own complete fetch, which, while the first one is still running, is a
second download of the same file, with a second client, a second
progress line and a second turn at the terminal, for the same answer.
It now sleeps on a condition variable and is woken with whatever the
fetch settled: the file, when there is one, or the not available, when
it found nothing or the user cancelled it, with no retry.
- And a fetch that brought a file back is remembered, so that the ones
that need the same build ID later, e.g. annotating another symbol of
the same DSO, are answered with a strdup() instead of another client:
the file stays in the debuginfod client cache, and its path is checked
before being handed out, in case that cache gets cleaned from under
us.
- The fetches are still one at a time, so a fetch for one build ID waits
for a fetch for another one: the terminal mode, the signal
dispositions, the progress line and the 's'/'d' keys are process
global, and sharing them between concurrent fetches, refcounted, is
left for later, noted in the code. It matters less than it sounds,
now that the build IDs of a workload are answered from memory after
the first pass over them.
PATCH 3/8, "perf symbol: Fall back to fetching the vmlinux by build ID"
[sashiko-bot review of PATCH v2 3/8]:
- The fetch is no longer made with dso->lock held: dso__load() holds it
across dso__load_kernel_sym(), and a fetch can block for a long time
on the network, or on the terminal, waiting for the user, which would
stall every other thread that needs the kernel dso. It is dropped
just around the fetch, nothing of the dso is touched while it is, and
the symbols are loaded with the lock held again, the same way
dso__debuginfo() already does it for the debuginfo of a DSO. If
another thread got the symbols for the dso in the meantime, the file
that came back is not loaded a second time.
PATCH 5/8, "perf report: Add --progress option" [sashiko-bot review of
PATCH v2 5/8]:
- A phase that starts when the progress stack is full is now just not
shown, and its finish() is swallowed, instead of force completing the
phase that encloses it to make room: that one still gets its own
finish() later, which would then complete the phase above it, and so
on, one premature completion per nesting level. Reproduced by
building with STDIO_PROGRESS__MAX_DEPTH set to 1: v2 prints
"Processing events... [100.0%]" while it is at 99.7%, before the
nested phase even runs, v3 warns and keeps the outer phase to
complete when it really does. With the 8 slots in the tree this
cannot be hit, the phases perf has nest at most 2 deep, but the
bookkeeping was wrong.
PATCH 6/8, "perf scripts: Add perf-stuck, to tell where a running perf
is stuck" [sashiko-bot review of PATCH v2 6/8]:
- The perf-dso GDB macro read dloc->ms.map->dso->name and
dloc->ms.sym->name, but struct data_loc_info.ms is a
'struct map_symbol *', so GDB's C evaluator needs -> there: as it
was, 'perf-stuck.sh -g' would have failed to evaluate it.
- The one pre-existing issue in PATCH 7/8, the unbounded member type
chase in die_get_member_type() and the unbounded recursion in
die_find_member(), is not addressed here, it went to the perf TODO
list as item 180, as it is not on the path this series fixes.
Other changes since v2:
- PATCH 2/8: a refetch made because the cached file was cleaned from
under us now updates the entry the same way the first fetch does,
and an entry with no path and no error is fetched again instead of
answered; as it was, the entry kept the first fetch's success with
no path, so the later lookups it existed for returned success with
a NULL path, which debuginfo__new_build_id() cannot open and the
vmlinux fallback in PATCH 3 would take as a file that came back
and dereference.
- PATCH 3/8: the commit message said the ignore_vmlinux_buildid that
'perf record' and 'perf probe' set internally is what keeps them
away from the fallback, but 'perf probe' only sets it for the
commands other than --list, --del and --add when given an offline
vmlinux; the message now says that and that a 'perf probe' that
does not set it, e.g. --funcs or --add without --vmlinux on a
system with a restricted /proc/kallsyms, can have the kernel
debuginfo fetched, like the other tools.
- PATCH 7/8: the kerneldoc of die_get_type_die() said the type would
be looked up in the main file and then in the alt file, using the
one that has a DIE with the saved tag, but the function
deliberately resolves in only the file the offset was recorded as
belonging to, with no fallback, and @from_alt was missing from the
parameter list; it now describes that, and the die_collect_vars()
and die_collect_global_vars() kerneldocs, which still said the
type could be retrieved with dwarf_offdie() and the offset alone,
now point at die_get_type_die().
- PATCH 7/8: the comment on the member->truncated flag said the
browser reads it, but the browser picks between ';' and '{' from
the children list, so a member cut by the nesting limit is drawn
like a complete leaf; the comment now says the flag is for the
JSON exporter added in a later series.
- PATCH 2/8: a search aborted by the user, with 's' or a signal, is
now remembered for the rest of the session: the threads already
waiting for that fetch were told there was nothing to share, but a
request that arrived later started a new download of the same file,
which the user may have skipped for being too big. debuginfod__misses
now records such a cancellation as a cancellation, the 's' message
says the build ID will not be fetched again in this session and the
debug message tells a cancellation and a server miss apart. The
lookup entry is also now allocated and published by a
debuginfo_lookup__new() helper called before the fetch, instead of
an allocation whose failure was only checked after it.
- Patches 1, 4 and 8 are unchanged from v2: sashiko-bot found no
issues in them.
What changed from v1 (060dccedab1617dc):
PATCH 2/8, "perf debuginfo: Fetch debuginfo keyed by build ID using
debuginfod" [sashiko-bot review of PATCH 2/8]:
- Included <limits.h> for PATH_MAX, that was coming in through a
glibc transitive include and fails to build with musl libc.
- debuginfod__setup_urls_env() now goes through pthread_once, so that
the setenv() of DEBUGINFOD_URLS happens exactly once: setenv() is
not thread safe and this is on the fetch path, which
dso__debuginfo() deliberately takes outside dso__lock.
- The fetch now runs with debuginfod__fetch_lock held, so that the
process global state it uses — the terminal settings, the SIGINT/
SIGTERM dispositions and the progress and cancellation state — is
only ever touched by one fetch at a time. A second concurrent
fetch would otherwise have taken the first one's raw mode as the
state to restore, leaving the terminal broken when it was done, and
would reset the cancellation state from under the fetch already in
progress. Serializing also keeps two fetches from racing for the
same keypresses and the same progress line, and a second fetch has
nothing to gain from running in parallel with a first one reading
the same kind of file off the same servers.
- An interrupt that lands after the fetch already succeeded is no
longer swallowed: at that point the terminal and the signal
dispositions are the original ones again, so the signal is re-raised,
the same way the failure path does, instead of perf carrying on as
if the user had not asked it to stop.
PATCH 6/8, "perf scripts: Add perf-stuck, to tell where a running perf
is stuck" [sashiko-bot review of PATCH 6/8]:
- /proc/<pid>/stat is now parsed with the parenthesized command name
removed first, so that a process with spaces in its name no longer
shifts every field after it: watching a process named 'my sleep'
used to report "sleep)" as its state and a garbage RSS.
- The CPU time is printed with awk's printf "%d" instead of relying on
its default output format, that switches to scientific notation,
which the bash arithmetic below cannot parse, once the sum of utime
and stime goes past six digits, i.e. some 16 minutes of CPU at
100 Hz.
- The process can go away between the '-d /proc/<pid>' check and the
read of /proc/<pid>/stat, so the read is now checked: a failed or
empty one reports "process gone" instead of 'set -u' aborting the
script on an unbound field, which is what would have hidden the
very exit the script is meant to report.
- The command line printed when the script starts has its control
characters stripped, so that a process started with escape sequences
in its arguments, e.g. one replaying a log line, does not get them
replayed on the terminal of whoever runs this.
- The two pre-existing issues sashiko-bot raised that are outside the
scope of this series, the child entries and their hists arrays
leaked by the data type browser teardown and the missing <stdio.h>
and <stdlib.h> includes in ui/browsers/annotate-data.c, are
recorded as items 178 and 179 of the perf TODO list for follow-up
work.
- Patches 1, 3, 4, 5, 7 and 8 are unchanged from v1: sashiko-bot
found no issues in them.
Arnaldo Carvalho de Melo (12):
perf test: Skip data_type_profiling when the PMU cannot record memory
events
perf debuginfo: Fetch debuginfo keyed by build ID using debuginfod
perf config: Move perf_config__set_variable() to util/config.c
perf debuginfo: Let the user skip and disable debuginfod fetches
perf debuginfo: Show the debuginfod fetch progress and keys in the TUI
perf symbol: Fall back to fetching the vmlinux by build ID
perf annotate-data: Show the sample count in the data-type browser
perf report: Add --progress option
perf scripts: Add perf-stuck, to tell where a running perf is stuck
perf annotate-data: Resolve type DIEs in the debug file they came from
perf mem record: Request PERF_SAMPLE_CPU by default
perf mem record: Use the IBS swfilt filter when available
tools/build/feature/test-libdw.c | 15 +-
tools/perf/Documentation/perf-annotate.txt | 10 +
tools/perf/Documentation/perf-config.txt | 19 +
tools/perf/Documentation/perf-mem.txt | 4 +
tools/perf/Documentation/perf-report.txt | 31 +
tools/perf/Documentation/perf-top.txt | 16 +
tools/perf/Makefile.config | 2 +-
tools/perf/arch/x86/util/mem-events.c | 17 +-
tools/perf/builtin-annotate.c | 3 +
tools/perf/builtin-config.c | 70 +-
tools/perf/builtin-mem.c | 18 +-
tools/perf/builtin-report.c | 18 +
tools/perf/builtin-top.c | 7 +
tools/perf/scripts/perf-stuck.gdb | 104 +++
tools/perf/scripts/perf-stuck.sh | 194 ++++++
tools/perf/tests/shell/data_type_profiling.sh | 46 +-
tools/perf/tests/shell/test_data_symbol.sh | 6 +-
tools/perf/ui/Build | 1 +
tools/perf/ui/browsers/annotate-data.c | 2 +-
tools/perf/ui/progress.h | 2 +
tools/perf/ui/stdio/progress.c | 185 ++++++
tools/perf/ui/tui/util.c | 177 +++++
tools/perf/ui/util.h | 42 ++
tools/perf/util/annotate-data.c | 59 +-
tools/perf/util/annotate-data.h | 3 +
tools/perf/util/config.c | 73 +++
tools/perf/util/config.h | 2 +
tools/perf/util/debuginfo.c | 608 ++++++++++++++++++
tools/perf/util/debuginfo.h | 36 ++
tools/perf/util/dso.c | 19 +
tools/perf/util/dwarf-aux.c | 171 ++++-
tools/perf/util/dwarf-aux.h | 33 +
tools/perf/util/mem-events.c | 21 +-
tools/perf/util/mem-events.h | 2 +
tools/perf/util/ordered-events.c | 17 +-
tools/perf/util/session.c | 12 +-
tools/perf/util/symbol.c | 83 ++-
tools/perf/util/symbol_conf.h | 1 +
tools/perf/util/util.c | 103 +++
tools/perf/util/util.h | 8 +
40 files changed, 2105 insertions(+), 135 deletions(-)
base-commit: 91b0782fc9e9d2f0a40b5256146e014802fdbb36
v5-head: ef0ac8e44d43d2aa86842d2f83ad41d1c058d949
v4-head: f801de4e80289566670e6b735198606b672e74e8
v3-head: 2433e9f0bf86cfc3d9966b467042563596c9ebdb
v2-head: 00cffc7df5abfa6850beb360deb830d8495163ce
v1-head: 060dccedab1617dcbf6e2be64ed97afe3f3fac63
--
Assisted-by: LLM
next reply other threads:[~2026-09-16 11:47 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-16 11:47 Arnaldo Carvalho de Melo [this message]
2026-09-16 11:47 ` [PATCH 01/12] perf test: Skip data_type_profiling when the PMU cannot record memory events Arnaldo Carvalho de Melo
2026-09-16 11:47 ` [PATCH 02/12] perf debuginfo: Fetch debuginfo keyed by build ID using debuginfod Arnaldo Carvalho de Melo
2026-09-16 17:59 ` Ian Rogers
2026-09-16 19:02 ` Arnaldo Carvalho de Melo
2026-09-16 21:28 ` Ian Rogers
2026-09-16 18:42 ` Namhyung Kim
2026-09-16 11:47 ` [PATCH 03/12] perf config: Move perf_config__set_variable() to util/config.c Arnaldo Carvalho de Melo
2026-09-16 11:47 ` [PATCH 04/12] perf debuginfo: Let the user skip and disable debuginfod fetches Arnaldo Carvalho de Melo
2026-09-16 18:53 ` Namhyung Kim
2026-09-16 21:27 ` Arnaldo Carvalho de Melo
2026-09-16 11:47 ` [PATCH 05/12] perf debuginfo: Show the debuginfod fetch progress and keys in the TUI Arnaldo Carvalho de Melo
2026-09-16 11:47 ` [PATCH 06/12] perf symbol: Fall back to fetching the vmlinux by build ID Arnaldo Carvalho de Melo
2026-09-16 11:47 ` [PATCH 07/12] perf annotate-data: Show the sample count in the data-type browser Arnaldo Carvalho de Melo
2026-09-16 21:28 ` Namhyung Kim
2026-09-16 11:47 ` [PATCH 08/12] perf report: Add --progress option Arnaldo Carvalho de Melo
2026-09-16 11:47 ` [PATCH 09/12] perf scripts: Add perf-stuck, to tell where a running perf is stuck Arnaldo Carvalho de Melo
2026-09-16 11:47 ` [PATCH 10/12] perf annotate-data: Resolve type DIEs in the debug file they came from Arnaldo Carvalho de Melo
2026-09-16 21:44 ` Namhyung Kim
2026-09-16 11:47 ` [PATCH 11/12] perf mem record: Request PERF_SAMPLE_CPU by default Arnaldo Carvalho de Melo
2026-09-16 21:50 ` Namhyung Kim
2026-09-16 11:47 ` [PATCH 12/12] perf mem record: Use the IBS swfilt filter when available Arnaldo Carvalho de Melo
2026-09-16 21:59 ` Namhyung Kim
2026-09-16 22:27 ` [PATCH v6 0/12] perf tools: Annotate fixes, stdio progress indication, debuginfo-client in more places Namhyung Kim
2026-09-16 18:32 Arnaldo Carvalho de Melo
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