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16 changes: 16 additions & 0 deletions
16
.../CPU_Subsystem/cpu_watcher/cs_delay.bpf.c → ..._Subsystem/cpu_watcher/bpf/cs_delay.bpf.c
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,3 +1,19 @@ | ||
| // Copyright 2023 The LMP Authors. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // https://github.com/linuxkerneltravel/lmp/blob/develop/LICENSE | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
| // | ||
| // author: [email protected] [email protected] [email protected] | ||
|
|
||
| #include <vmlinux.h> | ||
| #include <bpf/bpf_helpers.h> | ||
| #include <bpf/bpf_core_read.h> | ||
|
|
||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,4 +1,4 @@ | ||
| // Copyright 2024 The LMP Authors. | ||
| // Copyright 2023 The LMP Authors. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
|
|
@@ -12,7 +12,7 @@ | |
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
| // | ||
| // author: [email protected] | ||
| // author: [email protected] [email protected] [email protected] | ||
|
|
||
| #include "vmlinux.h" | ||
| #include <bpf/bpf_helpers.h> //包含了BPF 辅助函数 | ||
|
|
||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,3 +1,19 @@ | ||
| // Copyright 2023 The LMP Authors. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // https://github.com/linuxkerneltravel/lmp/blob/develop/LICENSE | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
| // | ||
| // author: [email protected] [email protected] [email protected] | ||
|
|
||
| #include <vmlinux.h> | ||
| #include <bpf/bpf_helpers.h> | ||
| #include <bpf/bpf_core_read.h> | ||
|
|
@@ -33,7 +49,8 @@ int BPF_PROG(sched_switch, bool preempt, struct task_struct *prev, struct task_s | |
| return 0; | ||
| } | ||
|
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| SEC("kprobe/finish_task_switch") | ||
| // SEC("kprobe/finish_task_switch") | ||
| SEC("kprobe/finish_task_switch.isra.0") | ||
| int BPF_KPROBE(finish_task_switch, struct task_struct *prev) { | ||
| u64 end_time = bpf_ktime_get_ns(); | ||
| pid_t pid = BPF_CORE_READ(prev, pid); | ||
|
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||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,3 +1,19 @@ | ||
| // Copyright 2023 The LMP Authors. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // https://github.com/linuxkerneltravel/lmp/blob/develop/LICENSE | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
| // | ||
| // author: [email protected] [email protected] [email protected] | ||
|
|
||
| #include <vmlinux.h> | ||
| #include <bpf/bpf_helpers.h> | ||
| #include <bpf/bpf_core_read.h> | ||
|
|
@@ -36,8 +52,8 @@ BPF_ARRAY(ut_LastTime,u32,u64,1); | |
| BPF_ARRAY(tick_user,u32,u64,1); | ||
| BPF_ARRAY(symAddr,u32,u64,1); | ||
| // 统计fork数 | ||
| //SEC("kprobe/finish_task_switch.isra.0") | ||
| SEC("kprobe/finish_task_switch") | ||
| SEC("kprobe/finish_task_switch.isra.0") | ||
| // SEC("kprobe/finish_task_switch") | ||
| int kprobe__finish_task_switch(struct pt_regs *ctx) | ||
| { | ||
| u32 key = 0; | ||
|
|
@@ -75,8 +91,8 @@ int trace_sched_switch2(struct cswch_args *info) { | |
| return 0; | ||
| } | ||
|
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||
| SEC("kprobe/finish_task_switch") | ||
| //SEC("kprobe/finish_task_switch.isra.0") | ||
| // SEC("kprobe/finish_task_switch") | ||
| SEC("kprobe/finish_task_switch.isra.0") | ||
| int BPF_KPROBE(finish_task_switch,struct task_struct *prev){ | ||
| pid_t pid=BPF_CORE_READ(prev,pid); | ||
| u64 *val, time = bpf_ktime_get_ns(); | ||
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16 changes: 16 additions & 0 deletions
16
.../CPU_Subsystem/cpu_watcher/sc_delay.bpf.c → ..._Subsystem/cpu_watcher/bpf/sc_delay.bpf.c
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,3 +1,19 @@ | ||
| // Copyright 2023 The LMP Authors. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // https://github.com/linuxkerneltravel/lmp/blob/develop/LICENSE | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
| // | ||
| // author: [email protected] [email protected] [email protected] | ||
|
|
||
| #include "vmlinux.h" | ||
| #include <bpf/bpf_helpers.h> //包含了BPF 辅助函数 | ||
| #include <bpf/bpf_tracing.h> | ||
|
|
||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,3 +1,19 @@ | ||
| // Copyright 2023 The LMP Authors. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // https://github.com/linuxkerneltravel/lmp/blob/develop/LICENSE | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
| // | ||
| // author: [email protected] [email protected] [email protected] | ||
|
|
||
| #include <vmlinux.h> | ||
| #include <bpf/bpf_helpers.h> | ||
| #include <bpf/bpf_core_read.h> | ||
|
|
@@ -111,18 +127,30 @@ int BPF_PROG(sched_switch, bool preempt, struct task_struct *prev, struct task_s | |
| struct sum_schedule sum_schedule= {}; | ||
| sum_schedule.sum_count++; | ||
| sum_schedule.sum_delay += delay; | ||
| if (delay > sum_schedule.max_delay) | ||
| if (delay > sum_schedule.max_delay){ | ||
| sum_schedule.max_delay = delay; | ||
| if (sum_schedule.min_delay == 0 || delay < sum_schedule.min_delay) | ||
| if(next->pid!=0){ | ||
| sum_schedule.pid_max = next->pid; | ||
| } | ||
| }else if (sum_schedule.min_delay == 0 || delay < sum_schedule.min_delay) | ||
| sum_schedule.min_delay = delay; | ||
| if(next->pid!=0){ | ||
| sum_schedule.pid_min = next->pid; | ||
| } | ||
| bpf_map_update_elem(&sys_schedule, &key, &sum_schedule, BPF_ANY); | ||
| } else { | ||
| sum_schedule->sum_count++; | ||
| sum_schedule->sum_delay += delay; | ||
| if (delay > sum_schedule->max_delay) | ||
| if (delay > sum_schedule->max_delay){ | ||
| sum_schedule->max_delay = delay; | ||
| if (sum_schedule->min_delay == 0 || delay < sum_schedule->min_delay) | ||
| if(next->pid!=0){ | ||
| sum_schedule->pid_max = next->pid; | ||
| } | ||
| }else if (sum_schedule->min_delay == 0 || delay < sum_schedule->min_delay) | ||
| sum_schedule->min_delay = delay; | ||
| if(next->pid!=0){ | ||
| sum_schedule->pid_min = next->pid; | ||
| } | ||
| } | ||
| return 0; | ||
| } | ||
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