devstat: Remove DTrace io probes lacking a BIO reference
The io:::start and end probes trace individual I/O requests. Also remove the unimplemented wait-start and wait-done probes. PR: 266098 MFC after: 1 week
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@ -52,17 +52,9 @@ SDT_PROVIDER_DEFINE(io);
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SDT_PROBE_DEFINE2(io, , , start, "struct bio *", "struct devstat *");
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SDT_PROBE_DEFINE2(io, , , done, "struct bio *", "struct devstat *");
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SDT_PROBE_DEFINE2(io, , , wait__start, "struct bio *",
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"struct devstat *");
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SDT_PROBE_DEFINE2(io, , , wait__done, "struct bio *",
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"struct devstat *");
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#define DTRACE_DEVSTAT_START() SDT_PROBE2(io, , , start, NULL, ds)
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#define DTRACE_DEVSTAT_BIO_START() SDT_PROBE2(io, , , start, bp, ds)
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#define DTRACE_DEVSTAT_DONE() SDT_PROBE2(io, , , done, NULL, ds)
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#define DTRACE_DEVSTAT_BIO_DONE() SDT_PROBE2(io, , , done, bp, ds)
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#define DTRACE_DEVSTAT_WAIT_START() SDT_PROBE2(io, , , wait__start, NULL, ds)
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#define DTRACE_DEVSTAT_WAIT_DONE() SDT_PROBE2(io, , , wait__done, NULL, ds)
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static int devstat_num_devs;
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static long devstat_generation = 1;
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@ -245,7 +237,6 @@ devstat_start_transaction(struct devstat *ds, const struct bintime *now)
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binuptime(&ds->busy_from);
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}
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atomic_add_rel_int(&ds->sequence0, 1);
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DTRACE_DEVSTAT_START();
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}
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void
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@ -341,7 +332,6 @@ devstat_end_transaction(struct devstat *ds, uint32_t bytes,
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ds->end_count++;
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atomic_add_rel_int(&ds->sequence0, 1);
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DTRACE_DEVSTAT_DONE();
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}
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void
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