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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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047ff221e3
Input arguments of libtraceevent APIs are renamed from "struct tep_handle *pevent" to "struct tep_handle *tep". This makes the API consistent with the chosen naming convention: tep (trace event parser), instead of the old pevent. Signed-off-by: Tzvetomir Stoyanov <tstoyanov@vmware.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Link: http://lore.kernel.org/linux-trace-devel/20190401132111.13727-2-tstoyanov@vmware.com Link: http://lkml.kernel.org/r/20190401164344.465573837@goodmis.org Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
44 lines
957 B
C
44 lines
957 B
C
// SPDX-License-Identifier: GPL-2.0
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#include <stdio.h>
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#include <string.h>
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#include <inttypes.h>
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#include <endian.h>
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#include "event-parse.h"
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/*
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* From glibc endian.h, for older systems where it is not present, e.g.: RHEL5,
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* Fedora6.
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*/
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#ifndef le16toh
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# if __BYTE_ORDER == __LITTLE_ENDIAN
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# define le16toh(x) (x)
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# else
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# define le16toh(x) __bswap_16 (x)
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# endif
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#endif
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static unsigned long long
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process___le16_to_cpup(struct trace_seq *s, unsigned long long *args)
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{
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uint16_t *val = (uint16_t *) (unsigned long) args[0];
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return val ? (long long) le16toh(*val) : 0;
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}
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int TEP_PLUGIN_LOADER(struct tep_handle *tep)
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{
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tep_register_print_function(tep,
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process___le16_to_cpup,
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TEP_FUNC_ARG_INT,
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"__le16_to_cpup",
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TEP_FUNC_ARG_PTR,
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TEP_FUNC_ARG_VOID);
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return 0;
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}
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void TEP_PLUGIN_UNLOADER(struct tep_handle *tep)
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{
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tep_unregister_print_function(tep, process___le16_to_cpup,
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"__le16_to_cpup");
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}
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