This is my fuzz tester, but this looks to be part of normal operation,
not actually fuzzing a syscall. This looks to be the bit that
sets the task_comm name in the child process to 'trinity-cN'. Which appears to have
succeeded judging by the Comm:, but the follow-on perf stuff seems to
be screwed up.
WARNING: CPU: 1 PID: 13500 at kernel/events/core.c:2379 task_ctx_sched_out+0x6b/0x80()
Modules linked in: 8021q garp stp snd_seq_dummy tun fuse rfcomm hidp sctp bnep can_raw scsi_transport_iscsi nfc caif_socket caif af_802154 phonet af_rxrpc bluetooth can_bcm can llc2 pppoe pppox ppp_generic slhc nfnetlink irda ipt_ULOG crc_ccitt rds af_key rose x25 atm netrom appletalk ipx p8023 psnap p8022 llc ax25 cfg80211 rfkill coretemp hwmon x86_pkg_temp_thermal kvm_intel kvm xfs snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep libcrc32c snd_seq e1000e snd_seq_device crct10dif_pclmul crc32c_intel ghash_clmulni_intel snd_pcm ptp snd_page_alloc shpchp snd_timer snd microcode serio_raw soundcore usb_debug pcspkr pps_core
CPU: 1 PID: 13500 Comm: trinity-c5 Not tainted 3.13.0-rc7+ #14
ffffffff81a240ac ffff88002e0c7df8 ffffffff816de2ee 0000000000000000
ffff88002e0c7e30 ffffffff81052ddd ffff88024d0975f8 ffff880214d7bb10
0000000000000282 ffff88015b3b24c0 ffff880214d7bb10 ffff88002e0c7e40
Call Trace:
[<ffffffff816de2ee>] dump_stack+0x4e/0x7a
[<ffffffff81052ddd>] warn_slowpath_common+0x7d/0xa0
[<ffffffff81052eba>] warn_slowpath_null+0x1a/0x20
[<ffffffff81128d5b>] task_ctx_sched_out+0x6b/0x80
[<ffffffff8112ba78>] perf_event_comm+0x108/0x260
[<ffffffff8112b970>] ? perf_event_fork+0x20/0x20
[<ffffffff811a3815>] ? set_task_comm+0x25/0xc0
[<ffffffff811a383f>] set_task_comm+0x4f/0xc0
[<ffffffff8106b039>] SyS_prctl+0x229/0x3d0
[<ffffffff816f0b24>] tracesys+0xdd/0xe2
---[ end trace d6e98e080907af47 ]---
2379 if (WARN_ON_ONCE(ctx != cpuctx->task_ctx))
2380 return;
On Thu, Jan 09, 2014 at 10:47:07AM -0500, Dave Jones wrote:
> This is my fuzz tester, but this looks to be part of normal operation,
> not actually fuzzing a syscall. This looks to be the bit that
> sets the task_comm name in the child process to 'trinity-cN'. Which appears to have
> succeeded judging by the Comm:, but the follow-on perf stuff seems to
> be screwed up.
>
> WARNING: CPU: 1 PID: 13500 at kernel/events/core.c:2379 task_ctx_sched_out+0x6b/0x80()
> Modules linked in: 8021q garp stp snd_seq_dummy tun fuse rfcomm hidp sctp bnep can_raw scsi_transport_iscsi nfc caif_socket caif af_802154 phonet af_rxrpc bluetooth can_bcm can llc2 pppoe pppox ppp_generic slhc nfnetlink irda ipt_ULOG crc_ccitt rds af_key rose x25 atm netrom appletalk ipx p8023 psnap p8022 llc ax25 cfg80211 rfkill coretemp hwmon x86_pkg_temp_thermal kvm_intel kvm xfs snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep libcrc32c snd_seq e1000e snd_seq_device crct10dif_pclmul crc32c_intel ghash_clmulni_intel snd_pcm ptp snd_page_alloc shpchp snd_timer snd microcode serio_raw soundcore usb_debug pcspkr pps_core
> CPU: 1 PID: 13500 Comm: trinity-c5 Not tainted 3.13.0-rc7+ #14
> ffffffff81a240ac ffff88002e0c7df8 ffffffff816de2ee 0000000000000000
> ffff88002e0c7e30 ffffffff81052ddd ffff88024d0975f8 ffff880214d7bb10
> 0000000000000282 ffff88015b3b24c0 ffff880214d7bb10 ffff88002e0c7e40
> Call Trace:
> [<ffffffff816de2ee>] dump_stack+0x4e/0x7a
> [<ffffffff81052ddd>] warn_slowpath_common+0x7d/0xa0
> [<ffffffff81052eba>] warn_slowpath_null+0x1a/0x20
> [<ffffffff81128d5b>] task_ctx_sched_out+0x6b/0x80
> [<ffffffff8112ba78>] perf_event_comm+0x108/0x260
> [<ffffffff8112b970>] ? perf_event_fork+0x20/0x20
> [<ffffffff811a3815>] ? set_task_comm+0x25/0xc0
> [<ffffffff811a383f>] set_task_comm+0x4f/0xc0
> [<ffffffff8106b039>] SyS_prctl+0x229/0x3d0
> [<ffffffff816f0b24>] tracesys+0xdd/0xe2
> ---[ end trace d6e98e080907af47 ]---
>
>
> 2379 if (WARN_ON_ONCE(ctx != cpuctx->task_ctx))
> 2380 return;
Hmm, you wouldn't happen to have the perf_event_attr for all active
events, would you?
On Fri, Jan 10, 2014 at 11:48:37AM +0100, Peter Zijlstra wrote:
> On Thu, Jan 09, 2014 at 10:47:07AM -0500, Dave Jones wrote:
> > This is my fuzz tester, but this looks to be part of normal operation,
> > not actually fuzzing a syscall. This looks to be the bit that
> > sets the task_comm name in the child process to 'trinity-cN'. Which appears to have
> > succeeded judging by the Comm:, but the follow-on perf stuff seems to
> > be screwed up.
> >
> > WARNING: CPU: 1 PID: 13500 at kernel/events/core.c:2379 task_ctx_sched_out+0x6b/0x80()
> > Modules linked in: 8021q garp stp snd_seq_dummy tun fuse rfcomm hidp sctp bnep can_raw scsi_transport_iscsi nfc caif_socket caif af_802154 phonet af_rxrpc bluetooth can_bcm can llc2 pppoe pppox ppp_generic slhc nfnetlink irda ipt_ULOG crc_ccitt rds af_key rose x25 atm netrom appletalk ipx p8023 psnap p8022 llc ax25 cfg80211 rfkill coretemp hwmon x86_pkg_temp_thermal kvm_intel kvm xfs snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep libcrc32c snd_seq e1000e snd_seq_device crct10dif_pclmul crc32c_intel ghash_clmulni_intel snd_pcm ptp snd_page_alloc shpchp snd_timer snd microcode serio_raw soundcore usb_debug pcspkr pps_core
> > CPU: 1 PID: 13500 Comm: trinity-c5 Not tainted 3.13.0-rc7+ #14
> > ffffffff81a240ac ffff88002e0c7df8 ffffffff816de2ee 0000000000000000
> > ffff88002e0c7e30 ffffffff81052ddd ffff88024d0975f8 ffff880214d7bb10
> > 0000000000000282 ffff88015b3b24c0 ffff880214d7bb10 ffff88002e0c7e40
> > Call Trace:
> > [<ffffffff816de2ee>] dump_stack+0x4e/0x7a
> > [<ffffffff81052ddd>] warn_slowpath_common+0x7d/0xa0
> > [<ffffffff81052eba>] warn_slowpath_null+0x1a/0x20
> > [<ffffffff81128d5b>] task_ctx_sched_out+0x6b/0x80
> > [<ffffffff8112ba78>] perf_event_comm+0x108/0x260
> > [<ffffffff8112b970>] ? perf_event_fork+0x20/0x20
> > [<ffffffff811a3815>] ? set_task_comm+0x25/0xc0
> > [<ffffffff811a383f>] set_task_comm+0x4f/0xc0
> > [<ffffffff8106b039>] SyS_prctl+0x229/0x3d0
> > [<ffffffff816f0b24>] tracesys+0xdd/0xe2
> > ---[ end trace d6e98e080907af47 ]---
> >
> >
> > 2379 if (WARN_ON_ONCE(ctx != cpuctx->task_ctx))
> > 2380 return;
>
> Hmm, you wouldn't happen to have the perf_event_attr for all active
> events, would you?
I don't. I'll start adding some code soon to log the contents of the
structures being passed to syscalls as well as just the address.
I've hit this bug twice in the last 24 hrs though, which is promising.
Dave
On Fri, Jan 10, 2014 at 11:48:37AM +0100, Peter Zijlstra wrote:
> On Thu, Jan 09, 2014 at 10:47:07AM -0500, Dave Jones wrote:
> > This is my fuzz tester, but this looks to be part of normal operation,
> > not actually fuzzing a syscall. This looks to be the bit that
> > sets the task_comm name in the child process to 'trinity-cN'. Which appears to have
> > succeeded judging by the Comm:, but the follow-on perf stuff seems to
> > be screwed up.
> >
> > WARNING: CPU: 1 PID: 13500 at kernel/events/core.c:2379 task_ctx_sched_out+0x6b/0x80()
> > Modules linked in: 8021q garp stp snd_seq_dummy tun fuse rfcomm hidp sctp bnep can_raw scsi_transport_iscsi nfc caif_socket caif af_802154 phonet af_rxrpc bluetooth can_bcm can llc2 pppoe pppox ppp_generic slhc nfnetlink irda ipt_ULOG crc_ccitt rds af_key rose x25 atm netrom appletalk ipx p8023 psnap p8022 llc ax25 cfg80211 rfkill coretemp hwmon x86_pkg_temp_thermal kvm_intel kvm xfs snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep libcrc32c snd_seq e1000e snd_seq_device crct10dif_pclmul crc32c_intel ghash_clmulni_intel snd_pcm ptp snd_page_alloc shpchp snd_timer snd microcode serio_raw soundcore usb_debug pcspkr pps_core
> > CPU: 1 PID: 13500 Comm: trinity-c5 Not tainted 3.13.0-rc7+ #14
> > ffffffff81a240ac ffff88002e0c7df8 ffffffff816de2ee 0000000000000000
> > ffff88002e0c7e30 ffffffff81052ddd ffff88024d0975f8 ffff880214d7bb10
> > 0000000000000282 ffff88015b3b24c0 ffff880214d7bb10 ffff88002e0c7e40
> > Call Trace:
> > [<ffffffff816de2ee>] dump_stack+0x4e/0x7a
> > [<ffffffff81052ddd>] warn_slowpath_common+0x7d/0xa0
> > [<ffffffff81052eba>] warn_slowpath_null+0x1a/0x20
> > [<ffffffff81128d5b>] task_ctx_sched_out+0x6b/0x80
> > [<ffffffff8112ba78>] perf_event_comm+0x108/0x260
> > [<ffffffff8112b970>] ? perf_event_fork+0x20/0x20
> > [<ffffffff811a3815>] ? set_task_comm+0x25/0xc0
> > [<ffffffff811a383f>] set_task_comm+0x4f/0xc0
> > [<ffffffff8106b039>] SyS_prctl+0x229/0x3d0
> > [<ffffffff816f0b24>] tracesys+0xdd/0xe2
> > ---[ end trace d6e98e080907af47 ]---
> >
> >
> > 2379 if (WARN_ON_ONCE(ctx != cpuctx->task_ctx))
> > 2380 return;
>
> Hmm, you wouldn't happen to have the perf_event_attr for all active
> events, would you?
dammit. forgot about this, and hit it again overnight.
Is there a handy function in the kernel to dump that struct
that I can call from that path ?
Dave
On Tue, Jan 21, 2014 at 10:09:53AM -0500, Dave Jones wrote:
> On Fri, Jan 10, 2014 at 11:48:37AM +0100, Peter Zijlstra wrote:
> > On Thu, Jan 09, 2014 at 10:47:07AM -0500, Dave Jones wrote:
> > > This is my fuzz tester, but this looks to be part of normal operation,
> > > not actually fuzzing a syscall. This looks to be the bit that
> > > sets the task_comm name in the child process to 'trinity-cN'. Which appears to have
> > > succeeded judging by the Comm:, but the follow-on perf stuff seems to
> > > be screwed up.
> > >
> > > WARNING: CPU: 1 PID: 13500 at kernel/events/core.c:2379 task_ctx_sched_out+0x6b/0x80()
> > > Modules linked in: 8021q garp stp snd_seq_dummy tun fuse rfcomm hidp sctp bnep can_raw scsi_transport_iscsi nfc caif_socket caif af_802154 phonet af_rxrpc bluetooth can_bcm can llc2 pppoe pppox ppp_generic slhc nfnetlink irda ipt_ULOG crc_ccitt rds af_key rose x25 atm netrom appletalk ipx p8023 psnap p8022 llc ax25 cfg80211 rfkill coretemp hwmon x86_pkg_temp_thermal kvm_intel kvm xfs snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep libcrc32c snd_seq e1000e snd_seq_device crct10dif_pclmul crc32c_intel ghash_clmulni_intel snd_pcm ptp snd_page_alloc shpchp snd_timer snd microcode serio_raw soundcore usb_debug pcspkr pps_core
> > > CPU: 1 PID: 13500 Comm: trinity-c5 Not tainted 3.13.0-rc7+ #14
> > > ffffffff81a240ac ffff88002e0c7df8 ffffffff816de2ee 0000000000000000
> > > ffff88002e0c7e30 ffffffff81052ddd ffff88024d0975f8 ffff880214d7bb10
> > > 0000000000000282 ffff88015b3b24c0 ffff880214d7bb10 ffff88002e0c7e40
> > > Call Trace:
> > > [<ffffffff816de2ee>] dump_stack+0x4e/0x7a
> > > [<ffffffff81052ddd>] warn_slowpath_common+0x7d/0xa0
> > > [<ffffffff81052eba>] warn_slowpath_null+0x1a/0x20
> > > [<ffffffff81128d5b>] task_ctx_sched_out+0x6b/0x80
> > > [<ffffffff8112ba78>] perf_event_comm+0x108/0x260
> > > [<ffffffff8112b970>] ? perf_event_fork+0x20/0x20
> > > [<ffffffff811a3815>] ? set_task_comm+0x25/0xc0
> > > [<ffffffff811a383f>] set_task_comm+0x4f/0xc0
> > > [<ffffffff8106b039>] SyS_prctl+0x229/0x3d0
> > > [<ffffffff816f0b24>] tracesys+0xdd/0xe2
> > > ---[ end trace d6e98e080907af47 ]---
> > >
> > >
> > > 2379 if (WARN_ON_ONCE(ctx != cpuctx->task_ctx))
> > > 2380 return;
> >
> > Hmm, you wouldn't happen to have the perf_event_attr for all active
> > events, would you?
>
> dammit. forgot about this, and hit it again overnight.
> Is there a handy function in the kernel to dump that struct
> that I can call from that path ?
Not really; I was kinda hoping you kept traces of the syscalls like
Vince's perf-trinity thing does.
Let me see if I can make a 'nice' function to dump state though, it
might come in handy more often.
On Wed, Jan 29, 2014 at 03:07:44PM +0100, Peter Zijlstra wrote:
> Let me see if I can make a 'nice' function to dump state though, it
> might come in handy more often.
Compile tested only...
---
include/linux/perf_event.h | 4 ++
init/Kconfig | 7 ++
kernel/events/core.c | 163 ++++++++++++++++++++++++++++++++++++++++++++-
3 files changed, 173 insertions(+), 1 deletion(-)
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index e56b07f5c9b6..4921ecd019db 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -437,6 +437,10 @@ struct perf_event {
int cgrp_defer_enabled;
#endif
+#ifdef CONFIG_PERF_DEBUG
+ struct list_head debug_list;
+#endif
+
#endif /* CONFIG_PERF_EVENTS */
};
diff --git a/init/Kconfig b/init/Kconfig
index 5236dc562a36..29abe2aadb7d 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -1514,6 +1514,13 @@ config PERF_EVENTS
Say Y if unsure.
+config PERF_DEBUG
+ default n
+ bool "Debug: add various debug helpers and overhead"
+ depends on PERF_EVENTS && DEBUG_KERNEL
+ help
+ Say N if unsure.
+
config DEBUG_PERF_USE_VMALLOC
default n
bool "Debug: use vmalloc to back perf mmap() buffers"
diff --git a/kernel/events/core.c b/kernel/events/core.c
index 56003c6edfd3..7d5deab0a6f0 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -164,6 +164,161 @@ int sysctl_perf_event_paranoid __read_mostly = 1;
/* Minimum for 512 kiB + 1 user control page */
int sysctl_perf_event_mlock __read_mostly = 512 + (PAGE_SIZE / 1024); /* 'free' kiB per user */
+#ifdef CONFIG_PERF_DEBUG
+
+static char *print_event_cgroup(struct perf_event *event)
+{
+#ifdef CONFIG_CGROUP_PERF
+ static char path[PATH_MAX];
+
+ if (!event->cgrp)
+ return "(null)";
+
+ cgroup_path(event->cgrp.css.cgroup, path, PATH_MAX);
+ return path;
+#else
+ return "(null)";
+#endif
+}
+
+static char *print_task(struct task_struct *p)
+{
+ static char task[2*TASK_COMM_LEN];
+
+ if (!p)
+ return "(null)";
+
+ snprintf(task, sizeof(task), "%d/%s", p->pid, p->comm);
+ return task;
+}
+
+static char *print_event_task(struct perf_event *event)
+{
+ if (!event->ctx)
+ return "(null)";
+
+ return print_task(event->ctx->task);
+}
+
+static void print_event(struct perf_event *event)
+{
+ struct perf_event *sibling;
+
+ printk("Event (%p) created by task: %s\n", event, print_task(event->owner));
+ printk(" cpu: %d\n", event->cpu);
+ printk(" cgrp: %s\n", print_event_cgroup(event));
+ printk(" task: %s\n", print_event_task(event));
+ printk(" group: ");
+ if (event->group_leader != event) {
+ list_for_each_entry(sibling, &event->sibling_list, group_entry)
+ printk("(%p),", sibling);
+ }
+ printk("\n");
+ printk(" attr: {\n");
+
+#define Pd(_x) if (event->attr._x) printk("\t." #_x " = %lld,\n", (unsigned long long)event->attr._x)
+#define Px(_x) if (event->attr._x) printk("\t." #_x " = 0x%llx,\n", (unsigned long long)event->attr._x)
+ Pd(type);
+ Px(config);
+ if (event->attr.freq) {
+ Pd(sample_freq);
+ } else {
+ Pd(sample_period);
+ }
+ Px(sample_type);
+ Px(read_format);
+
+ Pd(disabled);
+ Pd(inherit);
+ Pd(pinned);
+ Pd(exclusive);
+ Pd(exclude_user);
+ Pd(exclude_kernel);
+ Pd(exclude_hv);
+ Pd(exclude_idle);
+ Pd(mmap);
+ Pd(comm);
+ Pd(freq);
+ Pd(inherit_stat);
+ Pd(enable_on_exec);
+ Pd(task);
+ Pd(watermark);
+ Pd(precise_ip);
+ Pd(mmap_data);
+ Pd(sample_id_all);
+ Pd(exclude_host);
+ Pd(exclude_guest);
+ Pd(exclude_callchain_kernel);
+ Pd(exclude_callchain_user);
+ Pd(mmap2);
+
+ if (event->attr.watermark) {
+ Pd(wakeup_watermark);
+ } else {
+ Pd(wakeup_events);
+ }
+ if (event->attr.type == PERF_TYPE_BREAKPOINT) {
+ Pd(bp_type);
+ Px(bp_addr);
+ Pd(bp_len);
+ } else {
+ Px(config1);
+ Px(config2);
+ }
+ Px(branch_sample_type);
+ Px(sample_regs_user);
+ Pd(sample_stack_user);
+
+ printk(" };\n");
+}
+
+static DEFINE_RAW_SPINLOCK(perf_debug_lock);
+static LIST_HEAD(perf_debug_list);
+
+static void perf_debug_print_events(void)
+{
+ struct perf_event *event;
+
+ rcu_read_lock();
+ list_for_each_entry_rcu(event, &perf_debug_list, debug_list)
+ print_event(event);
+ rcu_read_unlock();
+}
+
+static void perf_debug_add_event(struct perf_event *event)
+{
+ unsigned long flags;
+
+ raw_spin_lock_irqsave(&perf_debug_lock, flags);
+ list_add_rcu(&event->debug_list, &perf_debug_list);
+ raw_spin_unlock_irqrestore(&perf_debug_lock, flags);
+}
+
+static void perf_debug_del_event(struct perf_event *event)
+{
+ unsigned long flags;
+
+ raw_spin_lock_irqsave(&perf_debug_lock, flags);
+ list_del_rcu(&event->debug_list);
+ raw_spin_unlock_irqrestore(&perf_debug_lock, flags);
+}
+
+#else /* CONFIG_PERF_DEBUG */
+
+static inline void perf_debug_add_event(struct perf_event *event)
+{
+}
+
+static inline void perf_debug_del_event(struct perf_event *event)
+{
+}
+
+static inline void perf_debug_print_events(void)
+{
+}
+
+#endif /* CONFIG_PERF_DEBUG */
+
/*
* max perf event sample rate
*/
@@ -2377,8 +2532,10 @@ static void task_ctx_sched_out(struct perf_event_context *ctx)
if (!cpuctx->task_ctx)
return;
- if (WARN_ON_ONCE(ctx != cpuctx->task_ctx))
+ if (WARN_ON_ONCE(ctx != cpuctx->task_ctx)) {
+ perf_debug_print_events();
return;
+ }
ctx_sched_out(ctx, cpuctx, EVENT_ALL);
cpuctx->task_ctx = NULL;
@@ -3227,6 +3384,7 @@ static void __free_event(struct perf_event *event)
if (event->ctx)
put_ctx(event->ctx);
+ perf_debug_del_event(event);
call_rcu(&event->rcu_head, free_event_rcu);
}
static void free_event(struct perf_event *event)
@@ -6764,6 +6922,8 @@ perf_event_alloc(struct perf_event_attr *attr, int cpu,
}
}
+ perf_debug_add_event(event);
+
return event;
err_pmu:
On Wed, Jan 29, 2014 at 04:32:04PM +0100, Peter Zijlstra wrote:
> On Wed, Jan 29, 2014 at 03:07:44PM +0100, Peter Zijlstra wrote:
> > Let me see if I can make a 'nice' function to dump state though, it
> > might come in handy more often.
>
> Compile tested only...
This took a while, but I finally got a trace out with this debugging stuff enabled.
Dave
ctx->type = 0
------------[ cut here ]------------
WARNING: CPU: 0 PID: 12579 at kernel/events/core.c:2539 task_ctx_sched_out+0x503/0x8a0()
Modules linked in: nf_conntrack_netlink nf_conntrack pn_pep llc2 af_key rfcomm bnep snd_seq_dummy tun fuse hidp nfnetlink scsi_transport_iscsi can_raw can_bcm ipt_ULOG nfc caif_socket caif af_802154 phonet af_rxrpc can pppoe pppox ppp_generic slhc irda crc_ccitt rds rose x25 atm netrom appletalk ipx p8023 psnap p8022 llc ax25 cfg80211 snd_hda_codec_hdmi xfs snd_hda_codec_realtek coretemp hwmon snd_hda_codec_generic x86_pkg_temp_thermal snd_hda_intel kvm_intel snd_hda_codec kvm btusb snd_hwdep bluetooth snd_seq snd_seq_device crct10dif_pclmul snd_pcm crc32c_intel e1000e ghash_clmulni_intel 6lowpan_iphc libcrc32c microcode rfkill snd_timer serio_raw pcspkr usb_debug shpchp snd ptp soundcore pps_core
CPU: 0 PID: 12579 Comm: trinity-c5 Not tainted 3.14.0-rc2+ #117
0000000000000009 0000000044d442b6 ffff88009e1b7de0 ffffffff9972b1d1
0000000000000000 ffff88009e1b7e18 ffffffff9906d0cd ffff88024d017700
ffff8801185e5898 0000000000000282 ffff88023a892e60 ffff8801185e5898
Call Trace:
[<ffffffff9972b1d1>] dump_stack+0x4e/0x7a
[<ffffffff9906d0cd>] warn_slowpath_common+0x7d/0xa0
[<ffffffff9906d1fa>] warn_slowpath_null+0x1a/0x20
[<ffffffff991458f3>] task_ctx_sched_out+0x503/0x8a0
[<ffffffff99148ea8>] perf_event_comm+0x108/0x260
[<ffffffff99148da0>] ? perf_event_fork+0x20/0x20
[<ffffffff991c4c95>] ? set_task_comm+0x25/0xc0
[<ffffffff990a4f0d>] ? get_parent_ip+0xd/0x50
[<ffffffff991c4cbf>] set_task_comm+0x4f/0xc0
[<ffffffff99086ecb>] SyS_prctl+0x22b/0x3d0
[<ffffffff9973ea2a>] tracesys+0xd4/0xd9
---[ end trace 6cce6761d7b505a6 ]---
Event (ffff880160cc6618) created by task: (null)
cpu: -1
cgrp: (null)
task: 12611/trinity-c19
group:
attr: {
.type = 1,
.config = 0x4,
.read_format = 0x4,
.inherit = 1,
.exclusive = 1,
.exclude_hv = 1,
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Event (ffff8800308e6f60) created by task: (null)
cpu: -1
cgrp: (null)
task: 7371/trinity-main
group:
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Event (ffff8800308e2520) created by task: (null)
cpu: -1
cgrp: (null)
task: 7371/trinity-main
group:
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Event (ffff88018cc14a40) created by task: (null)
cpu: -1
cgrp: (null)
task: 12579/trinity-c5
group:
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Event (ffff88018cc16618) created by task: (null)
cpu: -1
cgrp: (null)
task: 10057/trinity-c0
group:
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Event (ffff88018cc10000) created by task: (null)
cpu: -1
cgrp: (null)
task: 10057/trinity-c0
group:
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Event (ffff880160f00948) created by task: (null)
cpu: -1
cgrp: (null)
task: 12579/trinity-c5
group:
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Event (ffff88001768ae68) created by task: (null)
cpu: -1
cgrp: (null)
task: 12579/trinity-c5
group:
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Event (ffff8801845bd388) created by task: (null)
cpu: -1
cgrp: (null)
task: 11027/trinity-c0
group:
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Event (ffff8801845b9bd8) created by task: (null)
cpu: -1
cgrp: (null)
task: 11027/trinity-c0
group:
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Event (ffff8801845bdcd0) created by task: (null)
cpu: -1
cgrp: (null)
task: 11027/trinity-c0
group:
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Event (ffff8801845ba520) created by task: (null)
cpu: -1
cgrp: (null)
task: 11027/trinity-c0
group:
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Event (ffff8801845bca40) created by task: (null)
cpu: -1
cgrp: (null)
task: 11027/trinity-c0
group:
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Event (ffff88017805e618) created by task: (null)
cpu: -1
cgrp: (null)
task: 11027/trinity-c0
group:
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Event (ffff88014bec5cd0) created by task: (null)
cpu: -1
cgrp: (null)
task: 10224/trinity-c0
group:
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Event (ffff88014bec37b0) created by task: (null)
cpu: -1
cgrp: (null)
task: 10224/trinity-c0
group:
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Event (ffff880013f31290) created by task: (null)
cpu: -1
cgrp: (null)
task: 10224/trinity-c0
group:
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Event (ffff880013f32e68) created by task: (null)
cpu: -1
cgrp: (null)
task: 10224/trinity-c0
group:
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Event (ffff88015de4d388) created by task: (null)
cpu: -1
cgrp: (null)
task: 10155/trinity-c0
group:
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Event (ffff88015de4dcd0) created by task: (null)
cpu: -1
cgrp: (null)
task: 10155/trinity-c0
group:
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Event (ffff88015de4c0f8) created by task: (null)
cpu: -1
cgrp: (null)
task: 10155/trinity-c0
group:
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Event (ffff880151288000) created by task: (null)
cpu: -1
cgrp: (null)
task: 10155/trinity-c0
group:
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Event (ffff88015128dcd0) created by task: (null)
cpu: -1
cgrp: (null)
task: 10155/trinity-c0
group:
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Event (ffff880017688948) created by task: (null)
cpu: -1
cgrp: (null)
task: 10057/trinity-c0
group:
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};
Event (ffff880187472e68) created by task: (null)
cpu: -1
cgrp: (null)
task: 31680/trinity-c0
group:
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Event (ffff880187472520) created by task: (null)
cpu: -1
cgrp: (null)
task: 31680/trinity-c0
group:
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Event (ffff880187475388) created by task: (null)
cpu: -1
cgrp: (null)
task: 31680/trinity-c0
group:
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Event (ffff880187475cd0) created by task: (null)
cpu: -1
cgrp: (null)
task: 31680/trinity-c0
group:
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Event (ffff880187471290) created by task: (null)
cpu: -1
cgrp: (null)
task: 31680/trinity-c0
group:
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Event (ffff88001da78948) created by task: (null)
cpu: -1
cgrp: (null)
task: 7423/trinity-main
group:
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Event (ffff88001da7d388) created by task: (null)
cpu: -1
cgrp: (null)
task: 7423/trinity-main
group:
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Event (ffff880203e840f8) created by task: 7365/trinity-main
cpu: -1
cgrp: (null)
task: 7365/trinity-main
group:
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Event (ffff8800295fdcd0) created by task: 7365/trinity-main
cpu: -1
cgrp: (null)
task: 7365/trinity-main
group:
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Event (ffff8800295fef60) created by task: 7365/trinity-main
cpu: -1
cgrp: (null)
task: 7365/trinity-main
group:
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Event (ffff8800295fe618) created by task: 7365/trinity-main
cpu: -1
cgrp: (null)
task: 7365/trinity-main
group:
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};
Event (ffff8800295f9290) created by task: 7365/trinity-main
cpu: -1
cgrp: (null)
task: 7365/trinity-main
group:
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};
Event (ffff8800295fd388) created by task: 7365/trinity-main
cpu: -1
cgrp: (null)
task: 7365/trinity-main
group:
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};
Event (ffff88014be41bd8) created by task: 7365/trinity-main
cpu: -1
cgrp: (null)
task: 7365/trinity-main
group:
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};
Event (ffff88014be40948) created by task: 7365/trinity-main
cpu: -1
cgrp: (null)
task: 7365/trinity-main
group:
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};
Event (ffff88014be437b0) created by task: 7365/trinity-main
cpu: -1
cgrp: (null)
task: 7365/trinity-main
group:
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};
Event (ffff88014be42520) created by task: 7365/trinity-main
cpu: -1
cgrp: (null)
task: 7365/trinity-main
group:
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};
Event (ffff880001d737b0) created by task: 7371/trinity-main
cpu: -1
cgrp: (null)
task: 7371/trinity-main
group:
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};
Event (ffff880001d75388) created by task: 7371/trinity-main
cpu: -1
cgrp: (null)
task: 7371/trinity-main
group:
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};
Event (ffff88001dbedcd0) created by task: 7371/trinity-main
cpu: -1
cgrp: (null)
task: 10215/trinity-c0
group:
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.disabled = 1,
.inherit = 1,
.exclusive = 1,
.exclude_kernel = 1,
.exclude_hv = 1,
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.comm = 1,
.inherit_stat = 1,
};
Event (ffff88001dbeb7b0) created by task: 7371/trinity-main
cpu: -1
cgrp: (null)
task: 7371/trinity-main
group:
attr: {
.type = 2,
.config = 0x483,
.read_format = 0xd,
.exclude_user = 1,
.exclude_kernel = 1,
.mmap = 1,
.comm = 1,
.inherit_stat = 1,
.task = 1,
.precise_ip = 1,
.exclude_host = 1,
.exclude_guest = 1,
.exclude_callchain_user = 1,
};
Event (ffff88001dbe9290) created by task: 7371/trinity-main
cpu: -1
cgrp: (null)
task: 10215/trinity-c0
group:
attr: {
.config = 0x9,
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.inherit = 1,
.pinned = 1,
.exclude_user = 1,
.exclude_kernel = 1,
.exclude_hv = 1,
.exclude_idle = 1,
.mmap = 1,
.watermark = 1,
.mmap_data = 1,
.sample_id_all = 1,
.exclude_guest = 1,
.exclude_callchain_kernel = 1,
};
Event (ffff88001dbeca40) created by task: 7371/trinity-main
cpu: -1
cgrp: (null)
task: 7371/trinity-main
group:
attr: {
.type = 1,
.config = 0x4,
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.disabled = 1,
.pinned = 1,
.exclude_user = 1,
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.enable_on_exec = 1,
.precise_ip = 3,
.sample_id_all = 1,
.exclude_host = 1,
.exclude_callchain_kernel = 1,
};
Event (ffff880184ccd388) created by task: 7371/trinity-main
cpu: -1
cgrp: (null)
task: 7371/trinity-main
group:
attr: {
.type = 1,
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.read_format = 0xf,
.disabled = 1,
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.task = 1,
.watermark = 1,
.precise_ip = 2,
.sample_id_all = 1,
.exclude_host = 1,
.exclude_guest = 1,
.exclude_callchain_user = 1,
};
Event (ffff880184cca520) created by task: 7371/trinity-main
cpu: -1
cgrp: (null)
task: 7371/trinity-main
group:
attr: {
.type = 1,
.config = 0x7,
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.exclusive = 1,
.exclude_user = 1,
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.enable_on_exec = 1,
.watermark = 1,
.precise_ip = 3,
.sample_id_all = 1,
.exclude_host = 1,
.exclude_guest = 1,
.exclude_callchain_kernel = 1,
};
Event (ffff880184ccb7b0) created by task: 7371/trinity-main
cpu: -1
cgrp: (null)
task: 7371/trinity-main
group:
attr: {
.type = 1,
.sample_period = -2930868092,
.sample_type = 0x2a2cc,
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.comm = 1,
.inherit_stat = 1,
.task = 1,
.precise_ip = 3,
.mmap_data = 1,
.exclude_host = 1,
.exclude_guest = 1,
.exclude_callchain_user = 1,
.wakeup_events = 62,
.branch_sample_type = 0x7f,
};
Event (ffff880151b60948) created by task: 7371/trinity-main
cpu: -1
cgrp: (null)
task: 7371/trinity-main
group:
attr: {
.type = 1,
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.freq = 1,
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};
Event (ffff880187518948) created by task: 7423/trinity-main
cpu: -1
cgrp: (null)
task: 7423/trinity-main
group:
attr: {
.type = 2,
.config = 0x3a,
.sample_period = -15353201,
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.read_format = 0xf,
.exclusive = 1,
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.mmap = 1,
.inherit_stat = 1,
.precise_ip = 1,
.mmap_data = 1,
.sample_id_all = 1,
.exclude_guest = 1,
.exclude_callchain_kernel = 1,
.wakeup_events = 6319,
.config1 = 0x8,
};
Event (ffff88018751ca40) created by task: 7423/trinity-main
cpu: -1
cgrp: (null)
task: 7423/trinity-main
group:
attr: {
.type = 1,
.config = 0x6,
.read_format = 0x4,
.inherit = 1,
.exclude_user = 1,
.exclude_hv = 1,
.mmap = 1,
.comm = 1,
.inherit_stat = 1,
.watermark = 1,
.precise_ip = 1,
.sample_id_all = 1,
.exclude_host = 1,
.exclude_guest = 1,
.exclude_callchain_user = 1,
};
Event (ffff880187519290) created by task: 7423/trinity-main
cpu: -1
cgrp: (null)
task: 7423/trinity-main
group:
attr: {
.type = 2,
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.disabled = 1,
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.comm = 1,
.freq = 1,
.inherit_stat = 1,
.enable_on_exec = 1,
.mmap_data = 1,
.sample_id_all = 1,
.exclude_guest = 1,
};
Event (ffff88018751b7b0) created by task: 7423/trinity-main
cpu: -1
cgrp: (null)
task: 21559/trinity-c0
group:
attr: {
.type = 3,
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.read_format = 0x6,
.disabled = 1,
.inherit = 1,
.exclude_kernel = 1,
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.comm = 1,
.freq = 1,
.exclude_guest = 1,
};
Event (ffff88018751c0f8) created by task: 7423/trinity-main
cpu: -1
cgrp: (null)
task: 7423/trinity-main
group:
attr: {
.type = 1,
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.exclusive = 1,
.exclude_user = 1,
.exclude_kernel = 1,
.exclude_idle = 1,
.mmap = 1,
.freq = 1,
.task = 1,
.precise_ip = 1,
.mmap_data = 1,
};
Event (ffff88018751e618) created by task: 7423/trinity-main
cpu: -1
cgrp: (null)
task: 7423/trinity-main
group:
attr: {
.type = 1,
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.disabled = 1,
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.mmap = 1,
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.freq = 1,
.enable_on_exec = 1,
.watermark = 1,
.precise_ip = 3,
.mmap_data = 1,
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.exclude_guest = 1,
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.exclude_callchain_user = 1,
};
Event (ffff88018751ae68) created by task: 7423/trinity-main
cpu: -1
cgrp: (null)
task: 7423/trinity-main
group:
attr: {
.type = 1,
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.disabled = 1,
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.exclude_user = 1,
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.comm = 1,
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.enable_on_exec = 1,
.precise_ip = 3,
.mmap_data = 1,
.sample_id_all = 1,
.exclude_host = 1,
.exclude_callchain_kernel = 1,
};
Event (ffff88018751d388) created by task: 7423/trinity-main
cpu: -1
cgrp: (null)
task: 7423/trinity-main
group:
attr: {
.type = 1,
.config = 0x3,
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.inherit = 1,
.exclude_kernel = 1,
.mmap = 1,
.enable_on_exec = 1,
.task = 1,
.precise_ip = 2,
.mmap_data = 1,
.exclude_callchain_user = 1,
};
Event (ffff8801007d5cd0) created by task: 7423/trinity-main
cpu: -1
cgrp: (null)
task: 7423/trinity-main
group:
attr: {
.type = 1,
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.exclude_kernel = 1,
.exclude_idle = 1,
.mmap = 1,
.freq = 1,
.inherit_stat = 1,
.enable_on_exec = 1,
.task = 1,
.watermark = 1,
.sample_id_all = 1,
.exclude_callchain_user = 1,
};
Event (ffff8801007d6f60) created by task: 7423/trinity-main
cpu: -1
cgrp: (null)
task: 21559/trinity-c0
group:
attr: {
.sample_period = -7740493,
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.inherit = 1,
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.exclude_idle = 1,
.precise_ip = 2,
.sample_id_all = 1,
.exclude_host = 1,
.exclude_callchain_kernel = 1,
.exclude_callchain_user = 1,
.config2 = 0xf7b96f3ad77bde00,
.branch_sample_type = 0x252525252525,
.sample_regs_user = 0x767f77fba6,
.sample_stack_user = 15445001,
};
Event (ffff8801565740f8) created by task: 7413/trinity-main
cpu: -1
cgrp: (null)
task: 7413/trinity-main
group:
attr: {
.type = 1,
.config = 0x6,
.sample_period = -256,
.sample_type = 0x343be,
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.comm = 1,
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.task = 1,
.watermark = 1,
.precise_ip = 2,
.mmap_data = 1,
.sample_id_all = 1,
.exclude_guest = 1,
.exclude_callchain_kernel = 1,
.wakeup_watermark = 654166,
.branch_sample_type = 0x40000000f99ffb2b,
};
Event (ffff880028095cd0) created by task: 7413/trinity-main
cpu: -1
cgrp: (null)
task: 7413/trinity-main
group:
attr: {
.config = 0x6,
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.pinned = 1,
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.comm = 1,
.freq = 1,
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.sample_id_all = 1,
.exclude_host = 1,
.exclude_guest = 1,
.exclude_callchain_kernel = 1,
.exclude_callchain_user = 1,
};
Event (ffff880028090000) created by task: 7413/trinity-main
cpu: -1
cgrp: (null)
task: 7413/trinity-main
group:
attr: {
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.mmap = 1,
.freq = 1,
.enable_on_exec = 1,
.task = 1,
.precise_ip = 2,
.mmap_data = 1,
.sample_id_all = 1,
.exclude_host = 1,
.exclude_callchain_kernel = 1,
.exclude_callchain_user = 1,
};
Event (ffff880193711bd8) created by task: 7413/trinity-main
cpu: -1
cgrp: (null)
task: 7413/trinity-main
group:
attr: {
.type = 1,
.config = 0x6,
.sample_period = -177,
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.disabled = 1,
.inherit = 1,
.exclusive = 1,
.mmap = 1,
.task = 1,
.watermark = 1,
.precise_ip = 2,
.sample_id_all = 1,
.exclude_host = 1,
.exclude_callchain_user = 1,
.wakeup_watermark = 65534,
.config2 = 0x800000000000d045,
.branch_sample_type = 0x80007bc6773837ac,
.sample_regs_user = 0x8800000002000000,
.sample_stack_user = 15969317,
};
Event (ffff880193710000) created by task: 7413/trinity-main
cpu: -1
cgrp: (null)
task: 7413/trinity-main
group:
attr: {
.type = 4,
.config = 0x20000000c1a0c3f5,
.sample_period = -32768,
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.pinned = 1,
.exclusive = 1,
.exclude_kernel = 1,
.exclude_hv = 1,
.exclude_idle = 1,
.mmap = 1,
.inherit_stat = 1,
.exclude_host = 1,
.exclude_callchain_user = 1,
.wakeup_events = 65534,
.config2 = 0x1,
};
Event (ffff880193716618) created by task: 7413/trinity-main
cpu: -1
cgrp: (null)
task: 7413/trinity-main
group:
attr: {
.type = 1,
.config = 0x5,
.sample_period = -131872675856416,
.sample_type = 0x1e7e4,
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.exclusive = 1,
.exclude_kernel = 1,
.mmap = 1,
.task = 1,
.watermark = 1,
.precise_ip = 2,
.sample_id_all = 1,
.exclude_host = 1,
.exclude_guest = 1,
.exclude_callchain_kernel = 1,
.exclude_callchain_user = 1,
.wakeup_watermark = 472368239,
};
Event (ffff88009e1a9bd8) created by task: 7413/trinity-main
cpu: -1
cgrp: (null)
task: 7413/trinity-main
group:
attr: {
.type = 1,
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.exclude_user = 1,
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.mmap = 1,
.comm = 1,
.freq = 1,
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.task = 1,
.precise_ip = 3,
.mmap_data = 1,
.exclude_host = 1,
.exclude_guest = 1,
};
Event (ffff880193714a40) created by task: 7413/trinity-main
cpu: -1
cgrp: (null)
task: 7413/trinity-main
group:
attr: {
.type = 5,
.config = 0xfffffffffffffffc,
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.exclude_kernel = 1,
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.mmap = 1,
.comm = 1,
.freq = 1,
.inherit_stat = 1,
.task = 1,
.watermark = 1,
.precise_ip = 2,
.mmap_data = 1,
.exclude_callchain_user = 1,
.bp_type = 3,
.bp_addr = 0x7fe9948b9000,
.bp_len = 2,
};
Event (ffff880193710948) created by task: 7413/trinity-main
cpu: -1
cgrp: (null)
task: 7413/trinity-main
group:
attr: {
.type = 1,
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.inherit = 1,
.exclude_idle = 1,
.comm = 1,
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.watermark = 1,
.precise_ip = 3,
.sample_id_all = 1,
.exclude_guest = 1,
.exclude_callchain_user = 1,
};
Event (ffff880193711290) created by task: 7413/trinity-main
cpu: -1
cgrp: (null)
task: 7413/trinity-main
group:
attr: {
.type = 4,
.config = 0x800000,
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.exclude_hv = 1,
.mmap = 1,
.comm = 1,
.freq = 1,
.inherit_stat = 1,
.enable_on_exec = 1,
.sample_id_all = 1,
.exclude_guest = 1,
.exclude_callchain_kernel = 1,
.exclude_callchain_user = 1,
.config1 = 0x84000000000000fa,
};
Event (ffff880013e20948) created by task: 7445/trinity-main
cpu: -1
cgrp: (null)
task: 7445/trinity-main
group:
attr: {
.type = 1,
.config = 0x3,
.read_format = 0x5,
.inherit = 1,
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.exclude_kernel = 1,
.freq = 1,
.enable_on_exec = 1,
.task = 1,
.watermark = 1,
.mmap_data = 1,
.sample_id_all = 1,
.exclude_host = 1,
.exclude_guest = 1,
.exclude_callchain_user = 1,
};
Event (ffff880013e21290) created by task: 7445/trinity-main
cpu: -1
cgrp: (null)
task: 7445/trinity-main
group:
attr: {
.type = 5,
.config = 0xffffffffffe3f5d5,
.read_format = 0xf,
.disabled = 1,
.exclusive = 1,
.exclude_hv = 1,
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.freq = 1,
.task = 1,
.watermark = 1,
.sample_id_all = 1,
.exclude_host = 1,
.exclude_callchain_kernel = 1,
.bp_type = 2,
.bp_len = 1,
};
Event (ffff880013e24a40) created by task: 7445/trinity-main
cpu: -1
cgrp: (null)
task: 7445/trinity-main
group:
attr: {
.type = 1,
.sample_period = -9079256697865559261,
.sample_type = 0x2027b,
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.exclude_user = 1,
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.mmap = 1,
.comm = 1,
.task = 1,
.watermark = 1,
.exclude_host = 1,
.exclude_callchain_kernel = 1,
.exclude_callchain_user = 1,
.wakeup_watermark = 49254,
.config2 = 0xffffffffffffffff,
};
Event (ffff880013e22520) created by task: 7445/trinity-main
cpu: -1
cgrp: (null)
task: 7445/trinity-main
group:
attr: {
.config = 0x4,
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.exclude_user = 1,
.mmap = 1,
.comm = 1,
.freq = 1,
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.enable_on_exec = 1,
.task = 1,
.watermark = 1,
.mmap_data = 1,
.sample_id_all = 1,
.exclude_guest = 1,
};
Event (ffff880013e21bd8) created by task: 7445/trinity-main
cpu: -1
cgrp: (null)
task: 7445/trinity-main
group:
attr: {
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.pinned = 1,
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.mmap = 1,
.freq = 1,
.enable_on_exec = 1,
.task = 1,
.watermark = 1,
.sample_id_all = 1,
};
Event (ffff880013e240f8) created by task: 7445/trinity-main
cpu: -1
cgrp: (null)
task: 7445/trinity-main
group:
attr: {
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.exclusive = 1,
.exclude_kernel = 1,
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.mmap = 1,
.freq = 1,
.enable_on_exec = 1,
.task = 1,
.precise_ip = 1,
.mmap_data = 1,
.sample_id_all = 1,
.exclude_guest = 1,
.exclude_callchain_kernel = 1,
.exclude_callchain_user = 1,
};
Event (ffff88002881b7b0) created by task: 7445/trinity-main
cpu: -1
cgrp: (null)
task: 7445/trinity-main
group:
attr: {
.type = 1,
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.read_format = 0x3,
.inherit = 1,
.exclude_user = 1,
.exclude_kernel = 1,
.comm = 1,
.freq = 1,
.enable_on_exec = 1,
.task = 1,
.exclude_host = 1,
};
Event (ffff88001768b7b0) created by task: 7445/trinity-main
cpu: -1
cgrp: (null)
task: 7445/trinity-main
group:
attr: {
.read_format = 0x3,
.disabled = 1,
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.exclude_user = 1,
.exclude_kernel = 1,
.exclude_hv = 1,
.mmap = 1,
.comm = 1,
.freq = 1,
.inherit_stat = 1,
.enable_on_exec = 1,
.task = 1,
.exclude_host = 1,
.exclude_callchain_kernel = 1,
.exclude_callchain_user = 1,
};
Event (ffff880005c05cd0) created by task: 7445/trinity-main
cpu: -1
cgrp: (null)
task: 7445/trinity-main
group:
attr: {
.type = 1,
.config = 0x8,
.sample_period = -1,
.sample_type = 0xc0ac,
.read_format = 0x5,
.disabled = 1,
.inherit = 1,
.pinned = 1,
.exclude_user = 1,
.exclude_idle = 1,
.precise_ip = 2,
.exclude_callchain_kernel = 1,
.wakeup_events = 255,
.config1 = 0xba5010,
};
Event (ffff880005c06f60) created by task: 7445/trinity-main
cpu: -1
cgrp: (null)
task: 7445/trinity-main
group:
attr: {
.type = 1,
.config = 0x1,
.read_format = 0xe,
.exclusive = 1,
.enable_on_exec = 1,
.task = 1,
.mmap_data = 1,
.exclude_callchain_user = 1,
};
Event (ffff880244efa520) created by task: (null)
cpu: 3
cgrp: (null)
task: (null)
group:
attr: {
.sample_period = 22945590000,
.disabled = 1,
.pinned = 1,
};
Event (ffff880244efd388) created by task: (null)
cpu: 2
cgrp: (null)
task: (null)
group:
attr: {
.sample_period = 22945590000,
.disabled = 1,
.pinned = 1,
};
Event (ffff880244ef9bd8) created by task: (null)
cpu: 1
cgrp: (null)
task: (null)
group:
attr: {
.sample_period = 22945590000,
.disabled = 1,
.pinned = 1,
};
Event (ffff880244efdcd0) created by task: (null)
cpu: 0
cgrp: (null)
task: (null)
group:
attr: {
.sample_period = 22945590000,
.disabled = 1,
.pinned = 1,
};