add boot partition size

hc

2023-12-11 d2ccde1c8e90d38cee87a1b0309ad2827f3fd30d

 kernel/tools/testing/selftests/bpf/trace_helpers.h
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@@ -2,8 +2,7 @@
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 #ifndef __TRACE_HELPER_H
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 #define __TRACE_HELPER_H
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-#include <libbpf.h>
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-#include <linux/perf_event.h>
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+#include <bpf/libbpf.h>
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 struct ksym {
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 	long addr;
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@@ -14,12 +13,9 @@
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 struct ksym *ksym_search(long key);
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 long ksym_get_addr(const char *name);
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-typedef enum bpf_perf_event_ret (*perf_event_print_fn)(void *data, int size);
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+/* open kallsyms and find addresses on the fly, faster than load + search. */
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+int kallsyms_find(const char *sym, unsigned long long *addr);
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-int perf_event_mmap(int fd);
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-int perf_event_mmap_header(int fd, struct perf_event_mmap_page **header);
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-/* return LIBBPF_PERF_EVENT_DONE or LIBBPF_PERF_EVENT_ERROR */
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-int perf_event_poller(int fd, perf_event_print_fn output_fn);
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-int perf_event_poller_multi(int *fds, struct perf_event_mmap_page **headers,
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-			    int num_fds, perf_event_print_fn output_fn);
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+void read_trace_pipe(void);
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+
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 #endif