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| author | Mahipal Challa <mahipalreddy2006@gmail.com> | 2017-02-15 08:15:10 +0300 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2017-03-09 13:34:26 +0300 |
| commit | 09ae5d37e0935c8f0bcb63d80543347daa209e25 (patch) | |
| tree | bd5363718439f8c2311ba0a877b4b976843d5c22 /drivers/crypto/cavium/zip/zip_inflate.c | |
| parent | f05845fcba12579ad84f58386b60adbfc14397b2 (diff) | |
| download | linux-09ae5d37e0935c8f0bcb63d80543347daa209e25.tar.xz | |
crypto: zip - Add Compression/Decompression statistics
Add statistics for compression/decompression hardware offload
under debugfs.
Signed-off-by: Mahipal Challa <Mahipal.Challa@cavium.com>
Signed-off-by: Jan Glauber <jglauber@cavium.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/cavium/zip/zip_inflate.c')
| -rw-r--r-- | drivers/crypto/cavium/zip/zip_inflate.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/crypto/cavium/zip/zip_inflate.c b/drivers/crypto/cavium/zip/zip_inflate.c index 5f43a8cb982b..50cbdd83dbf2 100644 --- a/drivers/crypto/cavium/zip/zip_inflate.c +++ b/drivers/crypto/cavium/zip/zip_inflate.c @@ -135,12 +135,20 @@ int zip_inflate(struct zip_operation *zip_ops, struct zip_state *s, /* Prepare inflate zip command */ prepare_inflate_zcmd(zip_ops, s, zip_cmd); + atomic64_add(zip_ops->input_len, &zip_dev->stats.decomp_in_bytes); + /* Load inflate command to zip queue and ring the doorbell */ queue = zip_load_instr(zip_cmd, zip_dev); + /* Decompression requests submitted stats update */ + atomic64_inc(&zip_dev->stats.decomp_req_submit); + while (!result_ptr->s.compcode) continue; + /* Decompression requests completed stats update */ + atomic64_inc(&zip_dev->stats.decomp_req_complete); + zip_ops->compcode = result_ptr->s.compcode; switch (zip_ops->compcode) { case ZIP_CMD_NOTDONE: @@ -157,6 +165,7 @@ int zip_inflate(struct zip_operation *zip_ops, struct zip_state *s, default: zip_dbg("Instruction failed. Code = %d\n", zip_ops->compcode); + atomic64_inc(&zip_dev->stats.decomp_bad_reqs); zip_update_cmd_bufs(zip_dev, queue); return ZIP_ERROR; } @@ -169,6 +178,9 @@ int zip_inflate(struct zip_operation *zip_ops, struct zip_state *s, zip_ops->csum = result_ptr->s.adler32; + atomic64_add(result_ptr->s.totalbyteswritten, + &zip_dev->stats.decomp_out_bytes); + if (zip_ops->output_len < result_ptr->s.totalbyteswritten) { zip_err("output_len (%d) < total bytes written (%d)\n", zip_ops->output_len, result_ptr->s.totalbyteswritten); |