mirror of
git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs.git
synced 2026-10-31 06:14:39 +01:00
Steven Rostedt (Google)
2c92ca849f
With the rework of how the __string() handles dynamic strings where it
saves off the source string in field in the helper structure[1], the
assignment of that value to the trace event field is stored in the helper
value and does not need to be passed in again.
This means that with:
__string(field, mystring)
Which use to be assigned with __assign_str(field, mystring), no longer
needs the second parameter and it is unused. With this, __assign_str()
will now only get a single parameter.
There's over 700 users of __assign_str() and because coccinelle does not
handle the TRACE_EVENT() macro I ended up using the following sed script:
git grep -l __assign_str | while read a ; do
sed -e 's/\(__assign_str([^,]*[^ ,]\) *,[^;]*/\1)/' $a > /tmp/test-file;
mv /tmp/test-file $a;
done
I then searched for __assign_str() that did not end with ';' as those
were multi line assignments that the sed script above would fail to catch.
Note, the same updates will need to be done for:
__assign_str_len()
__assign_rel_str()
__assign_rel_str_len()
I tested this with both an allmodconfig and an allyesconfig (build only for both).
[1] https://lore.kernel.org/linux-trace-kernel/[email protected]/
Link: https://lore.kernel.org/linux-trace-kernel/[email protected]
Cc: Masami Hiramatsu <[email protected]>
Cc: Mathieu Desnoyers <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Julia Lawall <[email protected]>
Signed-off-by: Steven Rostedt (Google) <[email protected]>
Acked-by: Jani Nikula <[email protected]>
Acked-by: Christian König <[email protected]> for the amdgpu parts.
Acked-by: Thomas Hellström <[email protected]> #for
Acked-by: Rafael J. Wysocki <[email protected]> # for thermal
Acked-by: Takashi Iwai <[email protected]>
Acked-by: Darrick J. Wong <[email protected]> # xfs
Tested-by: Guenter Roeck <[email protected]>
175 lines
2.8 KiB
C
175 lines
2.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#undef TRACE_SYSTEM
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#define TRACE_SYSTEM regulator
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#if !defined(_TRACE_REGULATOR_H) || defined(TRACE_HEADER_MULTI_READ)
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#define _TRACE_REGULATOR_H
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#include <linux/ktime.h>
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#include <linux/tracepoint.h>
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/*
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* Events which just log themselves and the regulator name for enable/disable
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* type tracking.
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*/
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DECLARE_EVENT_CLASS(regulator_basic,
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TP_PROTO(const char *name),
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TP_ARGS(name),
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TP_STRUCT__entry(
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__string( name, name )
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),
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TP_fast_assign(
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__assign_str(name);
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),
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TP_printk("name=%s", __get_str(name))
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);
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DEFINE_EVENT(regulator_basic, regulator_enable,
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TP_PROTO(const char *name),
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TP_ARGS(name)
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);
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DEFINE_EVENT(regulator_basic, regulator_enable_delay,
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TP_PROTO(const char *name),
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TP_ARGS(name)
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);
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DEFINE_EVENT(regulator_basic, regulator_enable_complete,
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TP_PROTO(const char *name),
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TP_ARGS(name)
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);
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DEFINE_EVENT(regulator_basic, regulator_disable,
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TP_PROTO(const char *name),
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TP_ARGS(name)
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);
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DEFINE_EVENT(regulator_basic, regulator_disable_complete,
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TP_PROTO(const char *name),
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TP_ARGS(name)
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);
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DEFINE_EVENT(regulator_basic, regulator_bypass_enable,
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TP_PROTO(const char *name),
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TP_ARGS(name)
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);
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DEFINE_EVENT(regulator_basic, regulator_bypass_enable_complete,
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TP_PROTO(const char *name),
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TP_ARGS(name)
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);
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DEFINE_EVENT(regulator_basic, regulator_bypass_disable,
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TP_PROTO(const char *name),
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TP_ARGS(name)
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);
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DEFINE_EVENT(regulator_basic, regulator_bypass_disable_complete,
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TP_PROTO(const char *name),
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TP_ARGS(name)
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);
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/*
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* Events that take a range of numerical values, mostly for voltages
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* and so on.
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*/
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DECLARE_EVENT_CLASS(regulator_range,
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TP_PROTO(const char *name, int min, int max),
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TP_ARGS(name, min, max),
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TP_STRUCT__entry(
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__string( name, name )
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__field( int, min )
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__field( int, max )
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),
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TP_fast_assign(
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__assign_str(name);
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__entry->min = min;
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__entry->max = max;
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),
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TP_printk("name=%s (%d-%d)", __get_str(name),
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(int)__entry->min, (int)__entry->max)
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);
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DEFINE_EVENT(regulator_range, regulator_set_voltage,
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TP_PROTO(const char *name, int min, int max),
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TP_ARGS(name, min, max)
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);
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/*
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* Events that take a single value, mostly for readback and refcounts.
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*/
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DECLARE_EVENT_CLASS(regulator_value,
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TP_PROTO(const char *name, unsigned int val),
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TP_ARGS(name, val),
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TP_STRUCT__entry(
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__string( name, name )
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__field( unsigned int, val )
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),
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TP_fast_assign(
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__assign_str(name);
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__entry->val = val;
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),
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TP_printk("name=%s, val=%u", __get_str(name),
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(int)__entry->val)
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);
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DEFINE_EVENT(regulator_value, regulator_set_voltage_complete,
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TP_PROTO(const char *name, unsigned int value),
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TP_ARGS(name, value)
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);
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#endif /* _TRACE_POWER_H */
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/* This part must be outside protection */
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#include <trace/define_trace.h>
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