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3ce311afb5
Move libperf from its current location under tools/perf to a separate directory under tools/lib/. Also change various paths (mainly includes) to reflect the libperf move to a separate directory and add a new directory under MANIFEST. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Michael Petlan <mpetlan@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lore.kernel.org/lkml/20191206210612.8676-2-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
34 lines
656 B
C
34 lines
656 B
C
// SPDX-License-Identifier: GPL-2.0
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#include <internal/xyarray.h>
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#include <linux/zalloc.h>
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#include <stdlib.h>
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#include <string.h>
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struct xyarray *xyarray__new(int xlen, int ylen, size_t entry_size)
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{
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size_t row_size = ylen * entry_size;
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struct xyarray *xy = zalloc(sizeof(*xy) + xlen * row_size);
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if (xy != NULL) {
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xy->entry_size = entry_size;
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xy->row_size = row_size;
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xy->entries = xlen * ylen;
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xy->max_x = xlen;
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xy->max_y = ylen;
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}
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return xy;
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}
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void xyarray__reset(struct xyarray *xy)
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{
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size_t n = xy->entries * xy->entry_size;
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memset(xy->contents, 0, n);
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}
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void xyarray__delete(struct xyarray *xy)
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{
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free(xy);
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}
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