diff options
Diffstat (limited to 'kernel/events')
| -rw-r--r-- | kernel/events/core.c | 23 |
1 files changed, 10 insertions, 13 deletions
diff --git a/kernel/events/core.c b/kernel/events/core.c index 98a4b9d..36babfd 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -5376,9 +5376,15 @@ void perf_output_sample(struct perf_output_handle *handle, if (sample_type & PERF_SAMPLE_RAW) { if (data->raw) { - perf_output_put(handle, data->raw->size); - __output_copy(handle, data->raw->data, - data->raw->size); + u32 raw_size = data->raw->size; + u32 real_size = round_up(raw_size + sizeof(u32), + sizeof(u64)) - sizeof(u32); + u64 zero = 0; + + perf_output_put(handle, real_size); + __output_copy(handle, data->raw->data, raw_size); + if (real_size - raw_size) + __output_copy(handle, &zero, real_size - raw_size); } else { struct { u32 size; @@ -5510,8 +5516,7 @@ void perf_prepare_sample(struct perf_event_header *header, else size += sizeof(u32); - WARN_ON_ONCE(size & (sizeof(u64)-1)); - header->size += size; + header->size += round_up(size, sizeof(u64)); } if (sample_type & PERF_SAMPLE_BRANCH_STACK) { @@ -9460,17 +9465,9 @@ static void perf_cgroup_attach(struct cgroup_subsys_state *css, task_function_call(task, __perf_cgroup_move, task); } -static void perf_cgroup_exit(struct cgroup_subsys_state *css, - struct cgroup_subsys_state *old_css, - struct task_struct *task) -{ - task_function_call(task, __perf_cgroup_move, task); -} - struct cgroup_subsys perf_event_cgrp_subsys = { .css_alloc = perf_cgroup_css_alloc, .css_free = perf_cgroup_css_free, - .exit = perf_cgroup_exit, .attach = perf_cgroup_attach, }; #endif /* CONFIG_CGROUP_PERF */ |
