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trace: cma: remove unnecessary event class cma_alloc_class 

After commit cb6c33d4dc ("cma: tracing: print alloc result in
trace_cma_alloc_finish"), cma_alloc_class has only one event which is
cma_alloc_busy_retry.  So we can remove the cma_alloc_class.

Link: https://lkml.kernel.org/r/20230323114136.177677-1-haowenchao2@huawei.com
Signed-off-by: Wenchao Hao <haowenchao2@huawei.com>
Acked-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Cc: Feilong Lin <linfeilong@huawei.com>
Cc: Hongxiang Lou <louhongxiang@huawei.com>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Wenchao Hao 2023-03-23 19:41:36 +08:00 committed by Andrew Morton
parent dd31bad219
commit c710fac6bf
1 changed files with 25 additions and 33 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

58
include/trace/events/cma.h
View File

@ -8,37 +8,6 @@
#include <linux/types.h>
#include <linux/tracepoint.h>
DECLARE_EVENT_CLASS(cma_alloc_class,
TP_PROTO(const char *name, unsigned long pfn, const struct page *page,
unsigned long count, unsigned int align),
TP_ARGS(name, pfn, page, count, align),
TP_STRUCT__entry(
__string(name, name)
__field(unsigned long, pfn)
__field(const struct page *, page)
__field(unsigned long, count)
__field(unsigned int, align)
),
TP_fast_assign(
__assign_str(name, name);
__entry->pfn = pfn;
__entry->page = page;
__entry->count = count;
__entry->align = align;
),
TP_printk("name=%s pfn=0x%lx page=%p count=%lu align=%u",
__get_str(name),
__entry->pfn,
__entry->page,
__entry->count,
__entry->align)
);
TRACE_EVENT(cma_release,
TP_PROTO(const char *name, unsigned long pfn, const struct page *page,
@ -125,12 +94,35 @@ TRACE_EVENT(cma_alloc_finish,
__entry->errorno)
);
DEFINE_EVENT(cma_alloc_class, cma_alloc_busy_retry,
TRACE_EVENT(cma_alloc_busy_retry,
TP_PROTO(const char *name, unsigned long pfn, const struct page *page,
unsigned long count, unsigned int align),
TP_ARGS(name, pfn, page, count, align)
TP_ARGS(name, pfn, page, count, align),
TP_STRUCT__entry(
__string(name, name)
__field(unsigned long, pfn)
__field(const struct page *, page)
__field(unsigned long, count)
__field(unsigned int, align)
),
TP_fast_assign(
__assign_str(name, name);
__entry->pfn = pfn;
__entry->page = page;
__entry->count = count;
__entry->align = align;
),
TP_printk("name=%s pfn=0x%lx page=%p count=%lu align=%u",
__get_str(name),
__entry->pfn,
__entry->page,
__entry->count,
__entry->align)
);
#endif /* _TRACE_CMA_H */